|
Hydrogen |
|
1
H
1 |
| |
|
Helium |
|
4
He
2 |
| |
|
Lithium |
|
7
Li
3 |
| |
|
Beryllium |
|
9
Be
4 |
| |
|
Boron |
|
11
B
5 |
| |
|
Carbon |
|
12
C
6 |
| |
|
Nitrogen |
|
14
N
7 |
| |
|
Oxygen |
|
16
O
8 |
| |
|
Fluorine |
|
19
F
9 |
| |
|
Neon |
|
20
Ne
10 |
| |
|
Sodium |
|
23
Na
11 |
| |
|
Magnesium |
|
24
Mg
12 |
| |
|
Aluminium |
|
27
Al
13 |
| |
|
Silicon |
|
28
Si
14 |
| |
|
Phosphorus |
|
31
P
15 |
| |
|
Sulphur |
|
32
S
16 |
| |
|
Chlorine |
|
35.5
Cl |
| |
|
Argon |
|
40
Ar
18 |
| |
|
Potassium |
|
39
K
19 |
| |
|
Calcium |
|
40
Ca
20 |
| |
|
