Question

18. What is the valency of the element having a total of 8 electrons?
(a) 2
(b) 1
(c)0
(d) 6​

Answer 1

Answer:

o

Explanation:

its valence shell is complete.

hence,it is a noble gas.

Answer 2

the number of electron a substance can accommodate in the last shell are 8 .

So , the number of valence electrons=0

hence the valency is 0

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