Symbol
Na
Atomic Number
11
Atomic Mass
22.99
Protons
11
Neutrons
12
Electrons
11
Type
Alkali Metal
Isotopes
Sodium-23
Discovery Year
1807
Discovered By
Humphry Davy
Group
1
Period
3
Boiling Point
1621°F
Melting Point
208°F
Electron Configuration
[Ne] 3s¹
Density (g/cm³)
0.971
Crystal Structure
Body-centered cubic
Magnetism
Paramagnetic
Abundance in Earth's Crust
2.27%
Phase at Room Temperature
Solid