Question

help me in this question (chemistry) ​

Answer 1

Answer:

mass no. of oxygen is 16 .

mass no. of sulphur is 32.

Answer 2

Answer:

Mass no. is the sum of protons and neutrons.

Hence ,

Mass no. of oxygen 8 + 8

16

and ,

Mass no. of sulphur 16 +16

32

Hope it helps Army :)