Diatomic Nonmetal
| Diatomic Nonmetal Element Table |
|---|
| Element Name | Element Symbol | Atomic Number | Periodic Group Number | Periodic Period Number |
|---|
| Bromine |
Br |
35 |
17 |
4 |
| Chlorine |
Cl |
17 |
17 |
3 |
| Fluorine |
F |
9 |
17 |
2 |
| Hydrogen |
H |
1 |
1 |
1 |
| Iodine |
I |
53 |
17 |
5 |
| Nitrogen |
N |
7 |
15 |
2 |
| Oxygen |
O |
8 |
16 |
2 |
Polyatomic Nonmetal
| Polyatomic Nonmetal Element Table |
|---|
| Element Name | Element Symbol | Atomic Number | Periodic Group Number | Periodic Period Number |
|---|
| Carbon |
C |
6 |
14 |
2 |
| Phosphorus |
P |
15 |
15 |
3 |
| Selenium |
Se |
34 |
16 |
4 |
| Sulfur |
S |
16 |
16 |
3 |
Noble Gas
Noble gases (Inert Gas) until the 1960's were considered inert gases. There are seven noble gases all found in Group 18 (VIIIa) in the periodic table and are colourless, odourless, tasteless and nonflammable.
| Noble Gas Element Table |
|---|
| Element Name | Element Symbol | Atomic Number | Periodic Group Number | Periodic Period Number |
|---|
| Argon |
Ar |
18 |
18 |
3 |
| Helium |
He |
2 |
18 |
1 |
| Krypton |
Kr |
36 |
18 |
4 |
| Neon |
Ne |
10 |
18 |
2 |
| Radon |
Rn |
86 |
18 |
6 |
| Ununoctium |
Uuo |
118 |
18 |
7 |
| Xenon |
Xe |
54 |
18 |
5 |
