Question

four elements with their atomic numbers a=3, b=10, c=13, D=16 the nonmetal is​

Answer 1

(d)

because a is lithium i. e metal,b is noble gas which is neon and c is metal i. e aluminium and d is sulfur which is a not metal

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Answer 2

Answer:

The non metal is d with the atomic number 16 because when we put the electrons into separate shells, it comes like this :

K shell : 2 , L shell : 8, M shell : 6

as you can see, D, which is Sulphur, has only 6 electrons in its outermost shell and needs two electrons to satisfy the octet rule, and only non metals have the tendency to gain electrons, so d is a non-metal.

Hope it helps!

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