General Information
Name: Gallium, Ga
Atomic Number: 31
Average Atomic Mass: 69.723
Clssification: post transition metal
Group: 13
Period: 4
Block: "p"
Protons: 31
Neutrons: 39
Electrons: 31
Valence Electrons: 3
Electron Configuration: [Ar] 3d10 4s2 4p1
Atomic Radius: 141 pm
Ionization Energy: 578.8 kj/mol-1
Electronegativity: 1.81 (paulings)
Physical Properties: slivery, soft, glass-like when frozen, and expands when freezing
Chemical Properties: low melting point, fairly reactive with nonmetals and alkali metals
Melting Point: 302.9146 K
Boiling Point: 2477 L
Common Ion: Ga3+
Atomic Number: 31
Average Atomic Mass: 69.723
Clssification: post transition metal
Group: 13
Period: 4
Block: "p"
Protons: 31
Neutrons: 39
Electrons: 31
Valence Electrons: 3
Electron Configuration: [Ar] 3d10 4s2 4p1
Atomic Radius: 141 pm
Ionization Energy: 578.8 kj/mol-1
Electronegativity: 1.81 (paulings)
Physical Properties: slivery, soft, glass-like when frozen, and expands when freezing
Chemical Properties: low melting point, fairly reactive with nonmetals and alkali metals
Melting Point: 302.9146 K
Boiling Point: 2477 L
Common Ion: Ga3+