Why can't second-row elements have more than eight electrons in their valence shell? That is, why does the octet rule work for second-row elements

Q: Which of the following structures don't obey the octet rule?

A: Following compounds do not obey octet rule

Q: Why are there elements exempted on the Octet Rule?

A: To explain: Why are there elements exempted from the Octet Rule?

Q: describe the elements that do not make an octet when bonding and give a brief explanation for their…

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Q: Why can’t second-row elements have more than eight electrons in their valence shells? That is, why…

A: Interpretation: We have to tell why second row element does not have more than eight electrons.

Q: What is the octet rule?

A: Octet rule is, to gain stability or to be neutral, atom should have noble gas configuration, i.e 8…

Q: Write electron configurations for the most stable ion formed by each of the elements Al, Ba, Se, and…

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Q: Write Lewis structures of simple molecules following the octet rule

A: Introduction :  Lewis structures are a simple way of representing chemical structures, particularly…

Q: which group of elements have a full octet of electrons?

A: Octet rule is defined as the tendency of the toms which has 8 electron in the valence shell , when…

Q: Distribute the electrons among the atoms, giving octets (or duets for hydrogen) to as many atoms as…

A: Concept introduction: A Lewis structure is used to represent the valence electrons and the bonds…

Q: Explain octet rule ?

A: In an atom, all the electrons are placed in the atomic orbitals or shells. The arrangement of these…

Q: Which element is most likely to disobey the octet rule when forming chemical bonds?   A) Carbon…

A: Octet rule state that when an atom forms compound by sharing electrons with other atoms, it is…

Q: Given the Lewis Structure below, select the correct statement. .. This is not a valid structure…

A: Correct : The total number of valence electrons is 22.

Q: could you please do those two questions and give some examples of three resonance please?…

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Q: (c) (i) Explain with example what is an ionic bond, a covalent bond and a polar covalent bond? (ii)…

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Q: 3. с Draw Lewis diagrams of calcium and bromine. Use these diagrams to show how ionic bonds form…

A: Octet rule says that atom having 8 electrons in outer most shell are stable.

Q: Which of the following violates the octet rule?

A: In this question we have to choose correct option of the violates the octet rule with explanation.

Q: From the Lewis structures of the species given, pick all of thoe nld the centrar atom obeys the…

A: Octet rule states that an atom should have 8 electrons in its outer shell to complete its octet.…

Q: Lewis structures for the following molecules or ions

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Q: Draw the Lewis structure for SO, (by following the octet rule on all atoms) and then determine the…

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Q: what are the different failures of octet rule?

A: Aluminum and boron are stable with six valence electrons.  Boron shares only three electrons with…

Q: Why does the octet rule not hold for any compounds containing element in the third period of the…

A: Octet Rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell.…

Q: What are the Exceptions to the Octet Rule ?

A: The octet rule is a chemical basic rule that illustrates the idea that the major group elements…

Q: Show how the loss of an electron from a sodium atom leads to a stable octet.

A: The electronic configuration of sodium is 1s2 2s2 2p6 3s1

Q: proposed Lewis structure Is the proposed Lewis structure reasonable? Yes. No, it has the wrong…

A: Since you have asked multiple questions, we will solve first question for you. If you want any…

Q: The pattern that emerges for many atoms (and especially C, N, O, F) is sometimes referred to as the…

A: The octet rule states that atoms tend to form compounds in ways that give them eight valence…

Q: For the incomplete Lewis structure drawn, how many lone pairs of electrons are present?

A: The Lewis structure of the complete molecule with lone pair of electrons are given below

Q: Resonance structures in which every atom has an octet are better.  Explain why ?

A: Resonance structures in which every atom has an octet are better has to be explained.

Q: Write Lewis structures for the following molecules or ions, which have central atoms that do not…

A: Wi

Q: Which of the following molecules/ions are expected to have central atom with an expanded octet? The…

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Q: Which of the following atoms could not accommodate an expanded octet (i.e., more than eight valence…

A: Expanded octet is more than eight valence electrons.

Q: On the basis of their electron configurations, predict the formula of the simple binary ionic…

A: As you have posted question with multiple Sub parts,So the answer to your first three sub parts have…

Q: According to the octet rule, most atoms that bond covalently achieve the electron configuration of a…

A: According to octet rule , atom losses  or gain or share the electron to obtain the 8 electron…

Q: Write the significance of octet rule.

A: The octet rule refers to the tendency of atoms that prefer to have eight electrons in valence shell…

Q: Which dot-and-cross diagram shows the outer shell electron arrangement in a molecule of carbon…

A: CO2 is a covalent molecule having 1 carbon atom and 2 oxygen atoms. Electronic configuration of C is…

Q: Which of the following atoms could not accommodate an expanded octet (i.e., more than eight valence…

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Q: Explain how ionization energy and electron affinity determine whether atoms of elements will combine…

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Q: Does the periodic trend of electronegativity match the periodic trend of ionization energy?

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Q: Which of the following statements about Lewis Structures is FALSE? You can have more than one…

A: A drawing of a molecule that provides the connectivity of the compound, as well as indicating the…

Q: Which of the following is the most electronegative element in the periodic table? Hydrogen Oxygen…

A: We know that,  As we move from left to right in a period then size decreases and electronegativity…

Q: How many electrons will each element gain or lose in forming an octet? Element potassium phosphorus…

A: Octet rule: According to this rule, all the atoms (except hydrogen atom), try to achieve 8 electrons…

Q: Explain why phosphorus can have an expanded octet but nitrogen can't.

A: An atom that has more than an octet (can accommodate more than 8 electrons) in its valence shell, is…

Q: Directions : The following Lewis structures are incorrect . Explain what is wrong and give a correct…

A: Hello. Since the question contains multiple subparts, the first three subparts are solved. In case…

Q: Which element would be bigger carbon or phosphorus and why? which would have a higher…

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Q: Starting with 1s2draw out the complete electron configuration for the most stable ion of selenium.…

A: The shells around the nucleus are filled with electrons in increasing order of energy. The electrons…

Q: Which labeled atom(s) in the following compound is (are) in violation of the octet rule?

A: The atoms form ionic bonds (by exchange of electrons) or covalent bonds (by sharing of electrons) to…