Answer
(a) sodium + sulfur → sodium sulfide
2Na + S → Na$_{2}$S
(b) calcium + bromine → calcium bromide
Ca + Br$_{2}$ → CaBr$_{2}$
(c) barium + oxygen → barium oxide
Ba + O$_{2}$ → Ba$_{2}$O$_{3}$
(d) sulfur dioxide + oxygen → sulfur trioxide
SO$_{2}$ + 3O$_{2}$ → 2SO$_{3}$ (g)
Work Step by Step
As given in answer
