Nickel
Symbol
Ni
Atomic Number
28
Atomic Weight
58.6934
Element Classification
Discovered By
Axel Cronstedt
Discovery Date
1751 (Sweden)
Name Origin
German: kupfernickel (devil's copper).
Density (g/cc)
8.902
Melting Point (K)
1726
Boiling Point (K)
3005
Appearance
Hard, malleable, silvery-white metal
Atomic Radius (pm)
124
Atomic Volume (cc/mol)
6.6
Covalent Radius (pm)
115
Ionic Radius
69 (+2e)
Specific Heat
0.443
Fusion Heat (kJ/mol)
17.61
Evaporation Heat (kJ/mol)
378.6
Thermal Conductivity (@25°C W/m K)
90.9
Debye Temperature (K)
375.00
Pauling Negativity Number
1.91
First Ionizing Energy (kJ/mol)
736.2
Oxidation States
3, 2, 0
Electronic Configuration
[Ar] 3d8 4s2
Lattice Structure
Face-Centered Cubic(FCC)
Lattice Constant
3.520
Lattice C/A Ratio
n/a
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