Explain the octet rule and duet rule.
There are three violations to the octet rule.
Explain the octet rule and duet rule Define the incomplete octet. Understanding the octet rule is the key to understanding chemical bonding! Elements on the periodic table want to become stable by having 8 valence electrons The Octet Rule is a principle in chemistry stating that atoms tend to gain, lose, or share electrons in order to achieve a stable configuration with eight electrons in their outermost energy level. This completes its first shell. For period 2 elements (carbon, nitrogen Nov 1, 2025 · The octet rule states that atoms tend to form compounds in ways that give them eight valence electrons and thus the electron configuration of a noble gas. And to attain this octet outer electron configuration of the nearest noble gas, the atoms gain, share, and lose electrons. They are most stable when the s orbital is filled with two (duet) electrons. - The octet rule says that any element in the periodic table contains 8 electrons in the valence shell then those elements have higher stability than the remaining elements which don’t have eight electrons in their valence shell. This rule was used later in 1916 when Gilbert N. Nov 26, 2018 · The octet rule is a general rule of thumb in chemistry. Define what the octet rule is. Therefore, these atoms satisfy a “duet rule” rather than the octet rule. These rules are based on the observation that atoms tend to be more stable when they have a full set of valence electrons, which usually means having either two (duet rule) or eight (octet rule) electrons in their outermost Octet rule suggests that every atom of an element ought to fill its outermost shell by occupying eight electrons. Duet rule can be stated as the requirement of elements to possess eight electrons in their valence shell to gain stability. The octet rule refers to the tendency of atoms to prefer to have eight electrons The Octet Rule doesn’t work all the time and there are many exceptions. The final structure looks like this: H-O-H : : In this structure, each Hydrogen atom is sharing 2 electrons (completing its duet rule), and Oxygen is sharing 4 electrons and has 4 more as lone pairs, giving it a total of 8 electrons (completing the octet rule). The rule is applicable to the main- group elements, especially carbon, nitrogen, oxygen, and the halogens, but also to metals such as sodium and magnesium. The exception to this rule is hydrogen (H) and helium (He) which can achieve stability by completing its duet, that is, 2 electrons in the 1s orbital. Unlike the 'octet rule', that elements try to have eight electrons in their outer shell Learn how to decide whether a Lewis Structure satisfies the octet rule, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills. The Octet Rule is a general rule that is used to describe chemical bonding and draw Lewis Structures. An exception to an octet of electrons is in the case of the first noble gas, helium, which only has two valence electrons. In the end product, all four of these molecules have 8 valence electrons and satisfy the octet rule. Feb 16, 2023 · The octet rule states that atoms seek to have eight electrons in their outermost shell for stability. Jun 9, 2025 · The octet rule is a bonding theory used to predict the molecular structure of covalently bonded molecules. Question: Explain the octet rule and the duet rule in terms of orbitals. Although they are few, some stable compounds have an odd number of electrons in their valence shells. Approach: Step-by-step method of drawing Lewis Oct 30, 2023 · The octet rule states that atoms tend to form bonds until they are surrounded by eight valence electrons, while hydrogen follows the duet rule needing only two electrons to be stable. He called his explanation the octet rule. , BF₃ or BeH₂). In simple terms Master Octet Rule with free video lessons, step-by-step explanations, practice problems, examples, and FAQs. The Octet Rule and Basics of Lewis Dot Structures – MCAT Content One thing we can observe about the periodic table of elements is that the number of valence electrons is arranged neatly for some groups. This rule helps explain the formation of ionic and covalent bonds between atoms. What are some examples? (3) atoms are satisfied with less than one octet. Some elements, most notably nitrogen, can form compounds that do not obey the octet rule. m. You learned how to distinguish between an ionic bond and a covalent bond based on the difference between the electronegativities of the atoms. Compounds with more than an octet of electrons around an atom are called Atoms tend to gain or lose electrons to achieve an octet (8 valence electrons). Example: Consider the methane molecule extC H 4 ). The atoms of different elements combine with each other either by transfer of valence electrons or by sharing of valence electrons in order to have an octet structure in their valence shells. As the octet rule requires eight electrons around each atom, a molecule with an odd number of electrons must disobey the octet rule. The 'duet rule' refers to the principle that certain elements, mostly Hydrogen and Helium, appear to be most stable when they have two electrons in their outer shell, which corresponds with the maximum capacity of the first shell (n=1). Learn from expert tutors and get exam-ready! Sep 2, 2022 · What is an octet or duet? The key difference between octet and duplet is that octet is an atom or an ion having a maximum of eight electrons in the outermost shell while duplet is an atom having the maximum of two electrons in the outermost shell. How long is a duplet? The Octet Rule and Its Exceptions The octet rule states that atoms below atomic number 20 tend to combine so that they each have eight electrons in their valence shells, which gives them the same electronic configuration as a noble gas. Dec 10, 2019 · Since the first shell can only accommodate two electrons, elements such as lithium, helium, and hydrogen obey the duet rule instead of the octet rule. The rule is applicable to the main-group elements, especially carbon, nitrogen, oxygen, and the halogens, but also to metals such as sodium or magnesium. It allows us to determine the atomic structure of most chemicals. It will be helpful for you to draw out the electron configurations for a few of these elements and examine them. The octet rule is a fundamental concept in chemistry that states that atoms tend to form stable chemical bonds by achieving a full valence electron shell, typically containing eight electrons. The Octet Rule In 1904, Richard Abegg formulated what is now known as Abegg's rule, which states that the difference between the maximum positive and negative valences of an element is frequently eight. Approach: Step-by-step method of drawing Lewis Therefore, Gilbert N. Oct 20, 2023 · The element that follows the ' duet rule ' is Hydrogen and Helium. Odd-electron molecules represent the first violation to the octet rule. The octet rule states that atoms tend to form compounds in ways that give them eight valence electrons, and thus the electron configuration of a noble gas. For example, in the Feb 25, 2025 · The Octet Rule: The Drive for Eight The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. The octet rule is also used in determining the names and formulas for many chemicals. If the compound/ion cannot satisfy the octet rule for one of the atoms in the formula, choose one of the following three reasons why; Too many valence electrons (more than eight), Too few valence electrons Explore the Octet Rule, its significance in chemical bonding, examples that illustrate the rule, and exceptions where the rule does not apply. 2. By considering what happens to electrons when atoms form bonds, you will be able to explain some of What are octet and duplet rules How do elements attain octet? Also, electrons with lower atomic numbers try to attain two electrons that are duplet (instead of octet). The charges on the anion and cation correspond to the number of electrons donated or received. The rule states that Main Group elements form bonds in a manner that results in each atom The octet rule can be observed in the bonding between the carbon and oxygen atoms in a carbon dioxide molecule, as illustrated via a Lewis dot structure below. The rule is especially applicable to carbon, nitrogen, oxygen, and the halogens, although more generally the rule is applicable for the s-block and p-block of This video explains the octet rule. May 31, 2020 · The duet rule is also known as Octet rule. Understanding and applying the octet rule is essential in predicting the bonding behavior and properties of various compounds. According to the rule, atoms seek to have eight electrons in their outer—or valence—electron shells. Thus, hydrogen will strive for a filled 1s subshell or a "duet" of electrons, which is not the same as the octet rule's eight-electron configuration. The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. Explore how metals and nonmetals form ionic bonds through electron transfer and the octet rule, with clear diagrams and practice questions. Terms in this set (79) Define what the duet rule is. Elements attain octet or stability by losing electrons, gaining electrons or by sharing electrons. It states that atoms are at their most stable when they have eight electrons in their outer shel l, giving them the electron configuration of a noble gas. These rules are primarily based on the behavior of elements in the periodic table, and they can be rationalized in terms of atomic orbitals. Because hydrogen only needs two electrons to fill its valence shell, it is an exception to the octet rule. For example, hydrogen would have two electrons would be that of helium (Duet rule) while others will have eight electrons like neon and thus are called the octet rule. Atoms in Lewis structures obey the duet rule and the octet rule. How long is a duplet? Jun 8, 2022 · The octet rule is a general rule in chemistry used to predict the bonding between atoms. This is a consequence of the fact that many compounds involve the s and p block electrons, which contribute 4 orbitals and can thus contain 8 electrons. and more. Neutral sodium atoms have 11 electrons (because it has 11 protons), but the sodium cation has only 10 electrons. The octet rule is a concept in chemistry. Duet rule for hydrogen. - Be can be satisfied with only 4 valence (can also be found with 8) - B can be satisfied with only 6 valence (can also be found with 8) - H follows the duet rule Because hydrogen only needs two electrons to fill its valence shell, it follows the duet rule. Mar 26, 2021 · The octet rule states that atoms will gain, lose, or share valence electrons to achieve a full outer shell (orbital). There are three violations to the octet rule. , Define what the octet rule is. The other atoms tend to have the noble gas electron configuration and they lose, gain or share electrons just to achieve that. As you might suspect, the octet rule is based on the number 8. This video explains the octet rule and the valance charges atoms acquire when obtaining an "octet". physics-chemistry-interactive-flash-animation. The octet rule states that atoms lose, gain, or share electrons in order to acquire a full set of 8 valence electrons. 🔹🔹🔹Rela In this video, you’ll learn how atoms live, move, and why they form bonds. The octet rule is useful for checking the validity Master Octet Rule with free video lessons, step-by-step explanations, practice problems, examples, and FAQs. The next energy level (n = 2) can contain up to eight electrons. Chemistry Do Now KEY 1) Explain the duet rule. Octet and Duet Rules | Chemical Bond | English Version | Fahad's Tutorial Fahad's Tutorial 862K subscribers Subscribed Understand the octet rule and how to read and write Lewis dot diagrams Utilise Lewis dot diagrams to predict the bonding of simple molecules. 1, you reviewed your understanding of the physical proper-ties of covalent and ionic compounds. Key Concept/Formula: Octet rule: atoms tend to gain, lose, or share electrons in order to achieve a full outer electron shell with eight electrons. The octet rule and the duplet rule are important concepts in chemistry that explain how and why atoms form bonds. Ionic and Covalent Bonding: The Octet Rule In section 3. It explains the silent dance of electrons that holds matter together, gives shape to the molecules of life, and allows us to predict and manipulate the material world. May 7, 2025 · The Octet Rule is more than just a number or a rule—it’s a window into the soul of the atom. Sep 4, 2022 · The duet rule is also known as Octet rule. Hydrogen and helium are exceptions because they only need two electrons, adhering to the 'duet rule' due to their first shell's limitations, with hydrogen having a configuration of 1s¹ and helium 1s². The duet rule applies to **Hydrogen **and Helium striving for 2 electrons, while the octet rule pertains to atoms aiming for a full shell of 8 electrons, mimicking noble gases. For example, lithium can lose an electron to have a stable configuration in which the valence shell holds two electrons. In this example, a phosphorous atom is sharing its three unpaired electrons with three chlorine atoms. Also, find answers to frequently asked questions about the Octet Rule. The octet rule states that most elements will bond with other elements to have 8 valence electrons in order to have an electron configuration like their nearest Dec 24, 2020 · What is the duet and octet rule for Lewis structures? The duet rule applies to H and He, because they are the first two atoms in the Periodic Table. General exceptions to the octet rule include molecules that have an odd number of electrons and molecules in which one or more atoms possess more or fewer than eight electrons. This rule helps to explain the formation of chemical bonds and the stability of noble gas elements, which have a full outer electron shell. This is similar to the electron configuration of noble gases. Jun 18, 2023 · The octet rule is a chemistry rule of thumb that says that atoms combine in a way that gives them eight electrons in their valence shells. The noble gases have 2 or 8 valence electrons and are stable. Learn about what the octet rule is, exceptions to the rule, and how to solve example problems by applying the octet rule. Difficulty: Easy Describe the three basic types of chemical bonds and provide an example of each. Exceptions to the Octet Rule Electron-Deficient Compounds Some elements like H, Be, and B often have fewer than eight electrons in Lewis structures, leading to electron-deficient compounds. When atoms have fewer than eight electrons, they tend to react and form more stable compounds. Jun 2, 2024 · The octet rule states that atoms tend to prefer having 8 electrons in their valence shell in order to possess an electronic configuration similar to the closest noble gas. The octet rule is a chemical rule of thumb that reflects the theory that main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell, giving it the same electronic configuration as a noble gas. Learn from expert tutors and get exam-ready! Nov 7, 2025 · Each shared pair of electrons counts towards the octet of both bonded atoms. In this case, hydrogen is said to have reached While most atoms obey the duet and octet rules, there are some exceptions. The octet rule refers to the tendency of atoms to prefer to have eight electrons The duet and the octet rules are the valence electron rules. The octet rule states that atoms tend to gain, lose, or share electrons to achieve a stable electron configuration with eight valence electrons, similar to the noble gases. . Jan 24, 2017 · Basic introductory lesson covering the octet rule (duet rule for hydrogen and helium), which governs chemical bonding according to Lewis Theory. When you keep it nice and simple, the concept is not diff search Search build_circle Toolbar fact_check Homework cancel Exit Reader Mode While most atoms obey the duet and octet rules, there are some exceptions. The rule is especially applicable to carbon, nitrogen, oxygen, and the halogens, although more generally the rule is applicable for the s-block and p-block of Understanding the Octet Rule: Definition, Exceptions, and Importance Noble gases have fully-filled valence orbits that make them most stable of all elements. Only the s and p electrons are involved in the octet rule, making it useful for the representative elements The octet rule states that atoms tend to form bonds in such a way that they have eight electrons in their outermost energy level, or valence shell, which is the most stable configuration. Explain the octet rule and how it applies to main group atoms. 2) Explain the octet rule. 04. Based on the noble gases with their eight valence electrons (exception: helium), the effort to achieve the noble gas configuration is also called octet rule. Atoms are especially stable when they have complete valence shells: two electrons (a duet) for hydrogen and helium, and eight electrons (an octet) for atoms in the second row of the periodic table. Study with Quizlet and memorize flashcards containing terms like 3. Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on. Interactive simulation: https://www. Dec 17, 2016 · The Duet Rule: While most elements seek a full valence shell of eight electrons (the octet rule), hydrogen is stable when it has two electrons. When it shares two electrons, hydrogen has a filled valence shell. For example, in a water molecule extH 2 extO), oxygen shares electrons with two hydrogen atoms, completing its octet, and each hydrogen completes its duet (see "Duet Rule" below). This gives rise to the octet rule. Validating these structures can be done based on the number of electrons each atom contributes, confirming they meet the required bonding. The octet rule refers to the tendency of atoms to prefer to have eight electrons Free Radicals. This preference is because having a complete valence shell leads to greater stability, similar to noble gases such as helium and neon, which The Octet Rule and Its Exceptions The octet rule states that atoms below atomic number 20 tend to combine so that they each have eight electrons in their valence shells, which gives them the same electronic configuration as a noble gas. For example, elements such as boron or beryllium often form compounds in which the central atom is surrounded by fewer than eight electrons (e. Figure 1 3 1 shows the number of covalent bonds various atoms typically form. Hydrogen looks to gain one electron, Lithium, Beryllium and Boron look to lose 1,2, or 3 electrons respectively in order to have a filled outer shell like Helium. Also, electrons with lower atomic numbers try to attain two electrons that are duplet (instead of octet). Hydrogen is one of the most notable exceptions and only needs two electrons to fill its outer shell. The number of valence electrons, for the atom to be stable can be 2 (duet rule) and 8 (octet rule). Lewis formulated an ‘octet rule’ that says that the number 8 is the stable outer electronic configuration that the atoms pursue. May 9, 2023 · The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell (outer orbital). We'll study an atom's tendency of attaining a noble configuration which is termed as the 'octet rule'. When discussing the octet rule, we do not consider d or f electrons. However, it is hard to imagine that one The Duet Rule applies to hydrogen and helium only, but the abundance of hydrogen is so prominent that the rule deserves its own article. Its a rule that says that the rest of the elements must have 8 electrons filling its outer level. Explain the octet rule and the duet rule in terms of orbitals. What are the three basic types of chemical bonds? What happens to electrons in the bonding atoms in each type?, 4. Wouldn't that mean the sodium ion has zero valence electrons and, if so, doesn't that violate the octet rule? Recall that the octet rule can also be stated as the inert gas electron configuration rule. Understand the octet rule and how to read and write Lewis dot diagrams Utilise Lewis dot diagrams to predict the bonding of simple molecules. Its a rule that says that a H atom must only have 2 electrons filling its outer orbital. The Duet Rule applies to hydrogen and helium only, but the abundance of hydrogen is so prominent that the rule deserves its own article. As per chemistry principles, elements always have the urge to attain a stable configuration as that of noble gases. This is called the duplet rule. Why are hydrogen and helium exceptions to the octet rule? Explain the octet rule and why it applies mainly to second period elements. In ionic bonds, the net charge of the compound must be zero. This is the reason why H is always a terminal atom and never a central atom. Jul 9, 2025 · Reason 2: Octet Rule and Duet Rule: The tendency of atoms to achieve a noble gas configuration is often described by the octet rule (for most elements) or the duet rule (for hydrogen and helium). Learn how to decide whether a Lewis Structure satisfies the octet rule, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills. One class of such compounds are those that have an odd number of electrons. It is an exception to the octet rule. The Octet Rule The other halogen molecules (F 2, Br 2, I 2, and At 2) form bonds like those in the chlorine molecule: one single bond between atoms and three lone pairs of electrons per atom. Nonmetals, except for hydrogen, achieve a noble-gas structure by sharing in an octet of electrons (eight). Step 3: Helium and the Octet Rule Helium is another exception to the octet rule because it already has a stable, full configuration with two electrons in its outermost energy level. The octet rule also impacts the reactivity of compounds, as elements tend to form bonds to reach the stable octet configuration. Octet Rule: The octet rule states that atoms generally prefer to have eight electrons in their outermost shell, known as the valence shell. Jan 9, 2024 · The main difference between octet and duplet rule is that octet rule states that atoms tend to gain, lose, or share electrons in a way that . Step 1/3The duet and octet rules are guidelines used to describe the arrangement of electrons in a molecule, specifically in relation to the valence electrons of atoms. Transcript Oct 30, 2023 · The octet rule states that atoms tend to form bonds until they are surrounded by eight valence electrons, while hydrogen follows the duet rule needing only two electrons to be stable. How do you determine how many dots to put around the Lewis symbol of an element?, 5. Following the Octet Rule for Lewis Dot Structures leads to the most accurate depictions of stable molecular and atomic structures and because of this we always want to use the octet rule when drawing Lewis Dot Structures. com/chemistry_interactive/mendeleev_periodic_classification_table_elements_ Sep 3, 2020 · Group 16 elements such as oxygen and other atoms obtain an octet by forming two covalent bonds - like bonding with two hydrogen atoms in H 2 O (water). The duet rule tells us that hydrogen forms stable molecules when it shares two electrons. In contrast, many elements in the third-row and beyond have been observed to exceed the octet rule, forming compounds in which the central atom is Discover the octet rule in Chemistry: how atoms achieve stability, real-world examples, exceptions, and why noble gases are inert. The octet rule and duet rule are used to explain the arrangement of electrons in orbitals of atoms. Hydrogen only needs to form one bond. American chemist Gilbert Lewis (1875-1946) used this observation to explain the types of ions and molecules that are formed by other elements. The duet rule states that the 1st five elements will bond with other elements to have 2 valence electrons in order to have an electron configuration like helium. Hydrogen atoms, in molecules or polyatomic ions, are surrounded by a duet of Exceptions to the Octet Rule The "octet rule" says that in many compounds the most stable (correct) electron configuration is when there are 8 electrons (four filled orbitals). This achieves a stable electron configuration similar to that of noble gases. 3. Only the s and p electrons are involved in the octet rule, making it useful for the main NOTE: Despite our focus on the octet rule, we must remember that for small atoms, such as hydrogen, helium, and lithium, the first shell is, or becomes, the outermost shell and hold only two electrons. In the formation of chemical bonds, atoms can achieve this stable configuration by gaining, losing, or sharing electrons. Lewis formulated the "octet rule" in his cubical atom theory. g. As with all other rules of thumb, there are many exceptions, so you shouldn't try to apply it blindly to all elements. See Answer Question: Explain the octet and duet rule Explain the octet and duet rule 4 days ago · 1. In ionic bonding, more than 1 electron can be donated or received to satisfy the octet rule. Why does lithium not obey the octet rule? The octet rule states that atoms tend to form compounds in ways that give them eight valence electrons and thus the electron configuration of a noble gas. It predicts that elements will combine in such a way that they have 8 electrons in their outermost shell; once they attain this stable state, they are said to have a full octet. Bonding Behavior: As a result of its electron needs, hydrogen typically forms one single covalent bond with another atom. The tendency of main group atoms to form enough bonds to obtain eight valence Jul 3, 2019 · The octet rule states that elements gain or lose electrons to attain an electron configuration of the nearest noble gas. Key Concept/Formula: Lewis structure rules for drawing molecules, including counting valence electrons, determining the central atom, and satisfying the octet rule. This allows each halogen atom to have a noble gas electron configuration, which corresponds to eight valence electrons. Chlorine, for example, typically forms an anion with a charge of Complete answer: - In the question it is asked to write the difference between the octet rule and duet rule. Aug 22, 2023 · The duet rule and octet rule are guidelines in chemistry referring to the number of electrons in an atom's outer shell. The octet rule reflects the observation that the most stable ions of many elements have eight electrons in their valence shell for gaining the best possible stability. The duet rule applies to the first 5 elements of the periodic table (H, He, Li, Be, B) and it says that these atoms cannot have more than 2 electrons in their s orbital (valence shell). With an odd number of electrons, at least one atom in the molecule will have to violate the octet rule. , What are the 3 steps to follow when making a Lewis Dot structure? and more. The main difference between the octet and duplet rule is that the octet rule states that an atom or an ion can have a maximum of eight electrons in its valence shell. In contrast, many elements in the third-row and beyond have been observed to exceed the octet rule, forming compounds in which the central atom is The octet rule and the duet rule represent guidelines that help us understand how atoms tend to arrange their electrons in their valence outermost electron shells to achieve a stable electron configuration. These two elements are small and comprise only one subshell. Solved by Verified Expert Arpit Gupta June 14, 2023, 5:05 p. This is known as Octet rule. In covalent an bonding the atom share electrons to achieve octet. Electron configurations can be used to show how many electrons are needed to complete an octet and form an ion. We explain the octet rule, the duet rule, and even the expanded octet – simple, clear, and with lively atom The octet rule is a simple chemical rule of thumb that states that atoms tend to combine in such a way that they each have eight electrons in their valence shells, giving them the same electronic configuration as a noble gas. The octet rule which states that main-group atoms tend to form bonds until they are surrounded by eight valence electrons. May 26, 2020 · What is the octet rule, and how can you use it to create a molecular structure? Explain the octet rule. For many elements, this rule works and is a quick and simple way to Understanding the difference between octet rule and duplet rule, chemistry chemical bonding and molecular structure are the most important topic. Hydrogen, with a single valence electron, accommodates only two electrons in covalent bonds, usually forming only one chemical bond and not accommodating lone pairs. It explains that ionic bonds … Duet of electrons These examples illustrate the principle that atoms in covalently bonded species tend to have noble-gas electronic structures. This generalization is often referred to as the octet rule. Each atom will share, gain, or lose electrons to fill these outer electron shells with exactly eight electrons. This page discusses how atoms bond to achieve stability, primarily through the octet rule for most elements and the duet rule for smaller atoms like hydrogen and helium. Explain in your own words why this is an important rule for determining types of chemical bonds. In frming covalent bonds, atoms try to attain an electron shell that is of the same configuration as that of the closest noble gas. It is a direct consequence that the periodic table has 8 main columns (the ones near the top). May 20, 2018 · Thus, an important rule for the chemical bonding behavior can be derived: Each atom strives to reach the closest noble gas configuration in the periodic table (octet rule). There are exceptions to the octet rule. Three cases can be constructed that do not follow the octet rule, and as such, they are known as the exceptions to the octet rule. For hydrogen and helium, unlike most other elements, a full valence shell consists of two electrons rather than eight. The octet rule says that an atom is the most stable when it has 8 electrons around itself, meaning that they have 8 electrons in the outermost shell. Molecules with an odd number of electrons are relatively rare in the s and p blocks but rather common among the d - and f -block elements. See Answer Question: Explain the octet and duet rule Explain the octet and duet rule Study with Quizlet and memorize flashcards containing terms like Define what the duet rule is. Beryllium and boron often accommodate 4 days ago · 1. We would like to show you a description here but the site won’t allow us. Click the card to flip 👆 1 / 60 Decide if the compound/ion listed can satisfy the octet rule (duet rule for H), if so choose Satisfies Octet Rule from the drop down menu. The octet rule states that atoms tend to gain, lose, or share electrons in order to achieve a valence shell containing eight electrons. Describe the octet rule in the Lewis model. Sep 9, 2022 · What is the duet rule in science? The rule of duet refers to the first five elements of the periodic table. Here is an explanation of how this works and why elements follow the octet rule. The shared electrons fulfil the valency requirements of both the bonded atoms. They are most stable when the 1s orbital is filled with two (duet) electrons. ntliezqsuruxkmxzycvkaoxlsycswhokmtjvuyhrrlrrjslqexqqydbrrjeqfgylpenfofvgzl