31Ga
Gallium
Post-transition metal
Properties of Gallium
- Atomic number (Z)
- 31
- Symbol
- Ga
- Name
- Gallium
- Atomic mass
- 69.723 u
- Period
- 4
- Group
- 13
- Family
- Boron group
- Classification
- Post-transition metal
- Electron configuration
- [Ar] 3d¹⁰ 4s² 4p¹
About Gallium
Gallium is a chemical element with symbol Ga and atomic number 31 (atomic mass of about 69.723 u). It is classified as a post-transition metal on the periodic table.
On the periodic table, Gallium is located in period 4, in group 13, belonging to the boron group family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Gallium is [Ar] 3d¹⁰ 4s² 4p¹, which determines how it forms chemical bonds and takes part in reactions.