Atomic NumberAtomic Number 11
Atomic Number 11 is belong to element of Sodium.
Chemical symbol for Sodium is Na. Number of protons in Sodium is 11. Atomic weight of Sodium is 22.98976928 u or g/mol.
11Na
Atomic Number 11 Element Properties
| Atomic Number (Z) | 11 |
|---|---|
| Atomic Symbol | Na |
| Element Name | Sodium |
| Group | 1 |
| Period | 3 |
| Atomic Weight | 22.98976928 u |
| Density | 0.971 g/cm3 |
| Melting Point (K) | 370.87 K |
| Boiling Point (K) | 1156 K |