Human
1
H
Hydrogen
10%
2
He
Helium
0%
3
Li
Lithium
3×10
-6
%
4
Be
Beryllium
4×10
-8
%
5
B
Boron
7×10
-5
%
6
C
Carbon
23%
7
N
Nitrogen
2.60%
8
O
Oxygen
61%
9
F
Fluorine
61%
10
Ne
Neon
61%
11
Na
Sodium
0.14%
12
Mg
Magnesium
0.03%
13
Al
Aluminium
0.00009%
14
Si
Silicon
0.03%
15
P
Phosphorus
0.00009%
16
S
Sulphur
0.20%
17
Cl
Chlorine
0.12%
19
K
Potassium
0.20%
20
Ca
Calcium
1.40%
21
Sc
Scandium
1.40%
23
V
Vanadium
3×10
-6
%
24
Cr
Chromium
3×10
-6
%
25
Mn
Manganese
0.00002%
26
Fe
Iron
3×10
-6
%
27
Co
Cobalt
2×10
-6
%
28
Ni
Nickel
0.00001%
29
Cu
Copper
0.00010%
30
Zn
Zinc
0.00010%
33
As
Arsenic
5×10
-6
%
34
Se
Selenium
5×10
-6
%
37
Rb
Rubidium
0.00046%
38
Sr
Strontium
0.00046%
40
Zr
Zirconium
5×10
-6
%
42
Mo
Molybdenum
0.00001%
50
Sn
Tin
0.00002%
53
I
Iodine
0.00002%
55
Cs
Caesium
1×10
-6
%
56
Ba
Barium
0.00003%
82
Pb
Lead
0.00017%
92
U
Uranium
10
-7
%