Gallium
Symbol
Ga
Atomic Number
31
Atomic Weight
69.723
Element Classification
Discovered By
Paul-Emile Lecoq de Boisbaudran
Discovery Date
1875 (France)
Name Origin
Latin: Gallia (France).
Density (g/cc)
5.91
Melting Point (K)
302.93
Boiling Point (K)
2676
Appearance
Soft, blue-white metal
Atomic Radius (pm)
141
Atomic Volume (cc/mol)
11.8
Covalent Radius (pm)
126
Ionic Radius
62 (+3e) 81 (+1e)
Specific Heat
0.372
Fusion Heat (kJ/mol)
5.59
Evaporation Heat (kJ/mol)
270.3
Thermal Conductivity (@25°C W/m K)
28.1
Debye Temperature (K)
240.00
Pauling Negativity Number
1.81
First Ionizing Energy (kJ/mol)
578.7
Oxidation States
3
Electronic Configuration
[Ar] 3d10 4s2 4p1
Lattice Structure
Orthorhombic(ORC)
Lattice Constant
4.510
Lattice C/A Ratio
n/a
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