Atomic Number

Symbol

% Weight

6

C

0.19

11

Na

1.12

12

Mg

3.69

13

Al

0.37

14

Si

2.08

15

P

5.04

16

S

3.19

17

Cl

12.58

19

K

50.44

20

Ca

9.25

22

Ti

0.03

24

Cr

0.004

25

Mn

0.07

26

Fe

11.48

27

Co

0.15

28

Ni

0.01

29

Cu

0.04

30

Zn

0.19

33

As

0.01

82

Pb

0.05