Chemistry

Problem

Consider the following values of

I.E.

(eV) for elements

W

and

X

Element	$I.E._1$	$I.E._2$	$I.E._3$	$I.E._4$
$W$	10.5	15.5	24.9	79.8
$X$	8	14.8	78.9	105.8

Other two element

Y

and

Z

have outer electronic configuration

ns^2 np^4

and

ns^2 np^5

respectively. Then according to given information which of the following compound(s) is/are not possible? a.

W_2Y_3

X_2Y_3

WZ_2

XZ_2