Question

please answer anyone correctly ​

Answer 1

Answer:

a. Zn + S -> ZnS

b. Mg + O2 -> MgO

Hope it helps you.

Answer 2

Answer:

a. zinc + sulphur → zinc sulfide

Zn (s) + S (s) → ZnS (s)

b. magnesium + oxygen → magnesium oxide

2Mg(s) + O2(g) → 2MgO(s)