Question

Its urgent.... ... .. .​

Answer 1

Answer:

1 = 13 atoms ( two of phosphorus , three of calcium and eight of oxygen )

2 = 3 ( two of hydrogen and one of sulpher )

3 = 3 atoms ( one of magnesium and two of bromine )

4 = 3 atoms ( two of sodium and one of oxygen )

5 = 7 atoms ( one of aluminium , three of hydrogen and three of oxygen )