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The octet rule also known as the rule of eight

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Q: What rule is it when representative elements form bonds until they have eight electrons in their valance shells?
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What are the only electrons that participate?

In most cases it is the valance electrons which participate in chemical reactions. Transition state elements are a major exception; they undergo reactions that involve the inner electron shells as well.


What element contains 7 electrons and 7 protons?

You should understand that while neutral atoms have the same number of protons and electrons, they do not usually have the same number of protons and valance electrons, because except for hydrogen and helium, atoms also have electrons in the inner shells, which are not valance electrons. Therefore, there is no atom which has 7 protons and 7 valance electrons, although there is an element that has 7 protons, and there are several elements that have 7 valence electrons.


What element contains 7 valence electrons and 7 protons?

You should understand that while neutral atoms have the same number of protons and electrons, they do not usually have the same number of protons and valance electrons, because except for hydrogen and helium, atoms also have electrons in the inner shells, which are not valance electrons. Therefore, there is no atom which has 7 protons and 7 valance electrons, although there is an element that has 7 protons, and there are several elements that have 7 valence electrons.


Elements on the right side of the periodict table with electrons sequentially filling the p orbitals of their valence shells are collectively known as the?

Representative Elements


What chemical family is composed of elements with filled valance shells?

The noble gasses. i ike men


What is a representative element with eight electrons in its valence shells is called?

Octet


What is the valance electrons in Americium?

Electronic shells: 2,8,18,32,25,8,2 Electronic cofiguration: [Rn]5f7.7s2 Oxidation states: 6,5,4,3


What element has Five shells and 17 valance electrons?

Element 17's valence electron configuration is 3s23p5.


How does the Bohr model of the atom relate to the Periodic Table?

The Bohr model of the atom places electrons in orbits or "shells." Elements in the first period only have electrons in the first shell. Elements in the second period have electrons in the first two shells. Elements in the third period have electrons in the first three shells, and so on.


What group on the periodic table has the most stable amount of valence electrons?

That would be the Nobel gasses, 8A, because they have an octet of 8 electrons fully filling their valance shells so that they naturally do not react with other elements is either ionic or covalent bonding.


What is a group of elements that rarely combine with other elements because they already have eight electrons in their outer shells?

A group of elements that rarely combine with other elements because they already have eight electrons in the outer shells is a Noble Gas


Do noble gases have filled valance shells?

Almost always, yes. This is why they are so stable and do not react: having filled valance shells, they can neither give up or gain an electron to become more stable. The exception to this rule are the heavier noble gases, whose outermost valance shells are more prone to ionization due to the shielding effect from the electrons in the lower valance shells.