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Element 30 - Zinc (Zn) sound

Probably from zin, German for tin; discovered by the alchemist Paracelsus in the 16th century, though the zinc-copper alloy brass was known to the ancients. While not technically a colored metal, zinc has a bluish cast. an excellent coating metal, it is used to line flashlight batteries.

Properties

Atomic Number: 30
Atomic Weight: 65.39
Electron Configuration (at ground state): 1s22s22p63s23p63d104s2
Oxidation States (Bold most stable): +2
Boiling Point (K): 1180
Melting Point (K): 692.73
Density (at 300K -- g/cm3): 7.13
Atomic Volume (at 300K -- cm3/mol) 9.20
Number of stable isotopes: 5
Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: 65 -- 244.1 days -- positron emission, orbital electron capture
Covalent Radius (Å): 1.25
Atomic Radius (Å): 1.38
First Ionization Potential (V): 9.394
Electronegativity (Pauling's): 1.65
Specific Heat Capacity (at 300K -- J g-1 K-1): 0.388
Heat of Vaporization (kJ/mol): 115.30
Heat of Fusion (kJ/mol): 7.38
Electrical Conductivity (at 293K for polycrystalline material -- 106 (ohms)-1 cm-1): 16.9
Thermal Conductivity (at 300K -- W m-1 K-1): 116
Crystal Structure: Hexagonal
Acid-Base Properties: Amphoteric