Question

Subshell electronic configuration of some elements are given.

(Symbols are not real)

A- 1s2 2s2 2p6 3s2 3p5

B- 1s2 2s2 2p6 3s2 3p4

C-1s2 2s2 2p6 3s2 3p6 3d2

D- 1s2 2s2 2p6 3s2 3p6 4s2

a) Which element among these shows -2 oxidation state?

b) Which element has the highest metallic character?

c) Which element has the highest ionisation energy?

d) Write the chemical formula of the compound formed by the elements A and D.2242​

Answer 1

Answer:

pretty long question you ask