How is the valency of an element determined if the number of electrons in the outermost shell is close to its full capacity?
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if outermost shell is filled valency is 0
VijayR2004:
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if outermost shell is filled then those gases are noble gases noble gases always have valency 0
this is 100 percent right answer
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Explanation:
When the number of electrons in the outermost shell of an atom is close to its full capacity, i.e., 5, 6 or 7 then the valency is equal to the number of electrons by adding which the shell may become complete or 8 minus valence electrons.
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