Question

please help me regarding chemistry​

Answer 1

Answer:

a) The subshell electronic configuration of element X is

$1 {s}^{2} 2 {s}^{2} 2 {p}^{5}$

b) The element Y belongs to s block of the periodic table.

c) The molecular formula of the compound formed by the element X and Y is

Mg + F2 = MgF2

hope it helps ....