Question

Which general electronic configuration of the element does not represent a non-metal
(1) ns², np⁴
(2) ns², (n - 1)d1 - 10, np5
(3) ns1-2, (n - 1) d1-10
(4) ns2, (n - 1)d1 – 10, np1-6​

Answer 1

Answer:

1 st one mate is the most important ans