Question

The element with ns np' as outer electron configuration is a​

Answer 1

Answer:

chalcogen

for example,let the configuration be 1s^2,2s^2,2p^4,where the outer electronic configuration is in the form ns^2,np^4,the element is oxygen in this case.It belongs to the 16th group and any element belonging to this group is known as a chalcogen.

Explanation:

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