Hydrogen
1
H
1.01
Helium
2
He
4.00
Lithium
3
Li
6.94
Beryllium
4
Be
9.01
Boron
5
B
10.81
Carbon
6
C
12.01
Nitrogen
7
N
14.01
Oxygen
8
O
16.00
Fluorine
9
F
19.00
Neon
10
Ne
20.18
Sodium
11
Na
22.99
Magnesium
12
Mg
24.31
Aluminum
13
Al
26.98
Silicon
14
Si
28.09
Phosphorus
15
P
30.97
Sulfur
16
S
32.07
Chlorine
17
Cl
35.45
Argon
18
Ar
39.95
Potassium
19
K
39.10
Calcium
20
Ca
40.08
Scandium
22
Sc
44.96
Titanium
22
Ti
47.87
Vanadium
23
V
50.94
Chromium
24
Cr
52.00