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Tin


5
50
118.71
KEY
Chemical Element Symbol Key

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Tin
Columbia Encyclopedia
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Symbol: Sn
Atomic Number: 50
Atomic Weight: 118.71
Element Classification: Other Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: Named after Etruscan god, Tinia; symbol from Latin: stannum (tin).
Density (g/cc): 7.31
Melting Point (K): 505.1
Boiling Point (K): 2543
Appearance: Silvery-white, soft, malleable and ductile metal
Atomic Radius (pm): 162
Atomic Volume (cc/mol): 16.3
Covalent Radius (pm): 141
Ionic Radius: 71 (+4e) 93 (+2)
Specific Heat (@20°C J/g mol): 0.222
Fusion Heat (kJ/mol): 7.07
Evaporation Heat (kJ/mol): 296
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): 170.00
Pauling Negativity Number: 1.96
First Ionizing Energy (kJ/mol): 708.2
Oxidation States: 4, 2
Electronic Configuration: [Kr] 4d10 5s2 5p2
Lattice Structure: Tetragonal (TET
Lattice Constant (Å): 5.820
Lattice C/A Ratio: n/a


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