Answer to Question #107501 in Chemistry for Peter kipelian

Question

The electron arrange mentions X3-and Y2-are2,8,and 2,8,8respectively.
(a)
Write the electronic arrangement of the elements X and Y.
(2mks)
(b)
Write the formula of the compound that would be formed between
X and Y.

Answer 1

a)X:1s²2s²2p⁶3s²3p⁶ - argon

Y:1s²2s²2p^{6 -} neon

b) Helium, neon and argon do not form chemical compounds and only they can be called true "inert" gases