Li
Lithium Symbol (Li)
Lithium is element 3 of the periodic table. Copy its symbol Li and see its atomic weight, electron configuration and common compounds.
What does Li mean?
Li is the chemical symbol for lithium, element number 3 in the periodic table. Lithium is an alkali metal in group 1, period 2. It is the lightest metal; it is the key ingredient of lithium-ion batteries.
Codes and properties
| Chemical symbol | Li |
|---|---|
| Atomic number (Z) | 3 |
| Standard atomic weight | 6.94 |
| Group / period | 1 / 2 |
| Element category | alkali metal |
| Electron configuration | 1s² 2s¹ |
| Common compounds | Li₂CO₃, LiOH, LiCoO₂ |
How to type Li
- Plain text: type
Li— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as Li₂CO₃ — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Li}in math mode, or use the mhchem package:\ce{Li}. - HTML:
Li; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for lithium?
The chemical symbol for lithium is Li.
What is the atomic number of lithium?
Lithium has atomic number 3, meaning each atom has 3 protons.
What is the electron configuration of lithium?
The ground-state electron configuration of lithium is 1s² 2s¹.