Question

calculate the mass of one atom of oxygen, nitrogen, carbon, sodium, helium, magnesium, silicone, iron,phosphorus, hydrogen​

Answer 1

Answer:

Oxygen = 16

Nitrogen = 14

Answer 2

Answer:

oxygen=16

nitrogen=14

carbon=12

sodium=23

helium=4

magnesium=24

silicon=28

iron=55

Phosphorus=30

hydrogen=1