Science, asked by ranjananautiya1147, 1 year ago

what is the usual no. of valence electrons and valency of group 18 elements in the periodic table ?

Answers

Answered by saurabhkeshari

9

Answer is zero because they are noble gas.Hence do not participate in any reaction.

Answered by PraneethKumar2006

1

Answer:

the no. Of electron in 18 group is 8(helium is exception)and valency is 0 since the valence shell is completely filled

Explanation:

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