1.008

H

1

15.999

O

8

12.001

C

6

55.845

Fe

26

39.098

K

19

14.007

N

7

22.99

Na

11

Hydrogène

1 p⁺, M = 1,008 g/mol

Carbone

6 P⁺, M = 12 g/mol

Oxygène

8 p⁺, M = 16 g/mol

Fer

26 p⁺, M = 56 g/mol

Azote

7 p⁺, M = 14 g/mol

Sodium

11 p⁺, M = 23 g/mol

Potassium

19 p⁺, M = 39 g/mol