gallium

Symbol: Ga
Atomic number: 31
Atomic weight: 69.723
Group: 13
Group name: (none)
Period: 4
Block: p
CAS ID: 7440-55-3
Shell structure: 2.8.18.3
Electron configuration: [Ar].3d10.4s2.4p1
State: |standardstate|
Melting point: 302.91 [or 29.76 °C (85.57 °F)]
Boiling point: 2477 [or 2204 °C (3999 °F)]
Ionization energy/kJ per mol: 578.8
Common oxidation states: 3
Pauling electronegativity: 1.81