Important Elements
| Element |
Symbol |
Atomic Number |
| Hydrogen |
H |
1 |
| Helium |
He |
2 |
| Lithium |
Li |
3 |
| Beryllium |
Be |
4 |
| Boron |
B |
5 |
| Nitrogen |
N |
7 |
| Oxygen |
O |
8 |
| Fluorine |
F |
9 |
| Neon |
Ne |
10 |
| Sodium |
Na |
11 |
| Magnesium |
Mg |
12 |
| Aluminium |
Al |
13 |
| Sillicon |
Si |
14 |
| Phosphorous |
P |
15 |
| Sulphur |
S |
16 |
| Chlorine |
Cl |
17 |
| Argon |
Ar |
18 |
| Potassium |
K |
19 |
| Calcium |
Ca |
20 |
| Scandium |
Sc |
21 |
| Titanium |
Ti |
22 |
| Vanadium |
V |
23 |
|
|---|
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