GALLIUM

Atomic Number: 31
Mass Number: 69.72
Electron Configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p¹
Melting Point: 30^oC
Boiling Point: 2070^oC
First Ionization Energy: 579 kJ/mol
Second Ionization Energy: 1968 kJ/mol
Third Ionization Energy: 2953 kJ/mol
Atomic Radius: 125 pm