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Zinc


4
30
65.39
KEY
Chemical Element Symbol Key

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Zinc
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Gallium (Ga)
Symbol: Zn
Atomic Number: 30
Atomic Weight: 65.39
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Germany)
Name Origin: German: zink (German for tin).
Density (g/cc): 7.133
Melting Point (K): 692.73
Boiling Point (K): 1180
Appearance: Bluish-silver, ductile metal
Atomic Radius (pm): 138
Atomic Volume (cc/mol): 9.2
Covalent Radius (pm): 125
Ionic Radius: 74 (+2e)
Specific Heat (@20°C J/g mol): 0.388
Fusion Heat (kJ/mol): 7.28
Evaporation Heat (kJ/mol): 114.8
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): 234.00
Pauling Negativity Number: 1.65
First Ionizing Energy (kJ/mol): 905.8
Oxidation States: 2
Electronic Configuration: [Ar] 3d10 4s2
Lattice Structure: Hexagonal (HEX
Lattice Constant (Å): 2.660
Lattice C/A Ratio: n/a


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