Question

The Subshell electronic configuration of a few element given(These are not actual symbols). A 1s2 2s2 2p5 B 1s2 2s2 2p6 3s2 C 1s2 2s2 2p6 3s2 3p6 4s2 3d3 D 1s2 2s2 2p6 3s2 3p6 4s2 which of the elements belong to the same group, (b) which of the element belong to the same period, (C)Which of them, are not representative elements, (d) which IS the non metal​

Answer 1

Answer:

Cupprrum is the answer of the question