Question

Write equation for the reaction of:
(a) sodium with oxygen
(b) magnesium with oxygen

Answer 1

(a) 4Na (s) + O₂ (g) $\stackrel{}{\to }$ 2Na₂O (s)
Sodium Oxygen Sodium oxide

(b) 2Mg (s) + O₂ (g) $\stackrel{}{\to }$ 2MgO (s)
Magnesium Oxygen Magnesium oxide