Lithium |
Symbol | Li |
---|---|
Latin name | Lithium |
Atomic number | 3 |
Period | 2 |
Element category | Alkali metals |
Relative atomic mass | 6.941 |
Group | I.A |
Electronegativity | 1.0 |
Oxidation numbers | 1 |
Electron configuration | 1s2 2s1 |
Density [g/cm3] | 0.534 |
State | Solid |
Melting point [°C] | 180.54 |
Boiling point [°C] | 1347 |
Critical point [°C] | 2950 |
Critical pressure [MPa] | 67 |
Atomic radius [pm] | 167 |
Covalent radius [pm] | 134 |
Thermal conductivity [W m-1K-1] | 84.7 |
Heat capacity [J K-1g-1] | 3.582 |
Discovery | 1870 |
Hardness [Mohs scale] | 0.6 |
Young's modulus [GPa] | 4.9 |
Electrical conductivity [S m-1] | 1.17 · 107 |
Shear modulus [GPa] | 4.2 |
Stable isotopes | 2 |
Unstable isotopes | 2 |