Question

Suma has two packets with label X (metal) and Y (non metal).The valence of X=1 and Y=2
(a) Name any metal which can be X and any non metal which can be Y
(b) Write down the formula of any compound formed by them

Answer 1

I know the a answer
a. X hydrogen Y I don't know


Hope a helps

Answer 2

(a) X = Na (Sodium)
Y = O (Oxygen)
(b) Na + O2 = Na2O