3 Li
Alkali metal
Lithium
Powers rechargeable batteries.
Properties of Lithium
- Atomic number (Z)
- 3
- Symbol
- Li
- Atomic mass
- 6.94 g/mol
- Category
- Alkali metal
- Group
- 1
- Period
- 2
- Electron configuration
- [He] 2s¹
- Electronegativity (Pauling)
- 0.98
- Atomic radius
- 167 pm
- First ionization energy
- 520 kJ/mol
- Melting point
- 453.65 K (180.5 °C)
- Boiling point
- 1603 K (1329.8 °C)
- Density
- 0.534 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1817
Frequently asked questions
What is Lithium?
Lithium (Li) is an alkali metal, element number 3 on the periodic table. Powers rechargeable batteries.
What is the atomic number and atomic mass of Lithium?
Lithium has atomic number 3 and an atomic mass of about 6.94 g/mol.
What is the electron configuration of Lithium?
The electron configuration of Lithium is [He] 2s¹.
Where is Lithium on the periodic table?
Lithium sits in group 1, period 2, and is classified as a alkali metal.