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Titanium


4
22
47.88
KEY
Chemical Element Symbol Key

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Titanium
Columbia Encyclopedia
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Symbol: Ti
Atomic Number: 22
Atomic Weight: 47.88
Element Classification: Transition Metal
Discovered By: William Gregor
Discovery Date: 1791 (England)
Name Origin: Greek: titanos (Titans).
Density (g/cc): 4.54
Melting Point (K): 1933
Boiling Point (K): 3560
Appearance: Shiny, dark-gray metal
Atomic Radius (pm): 147
Atomic Volume (cc/mol): 10.6
Covalent Radius (pm): 132
Ionic Radius: 68 (+4e) 94 (+2e)
Specific Heat (@20°C J/g mol): 0.523
Fusion Heat (kJ/mol): 18.8
Evaporation Heat (kJ/mol): 422.6
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): 380.00
Pauling Negativity Number: 1.54
First Ionizing Energy (kJ/mol): 657.8
Oxidation States: 4, 3
Electronic Configuration: [Ar] 3d2 4s2
Lattice Structure: 1.588
Lattice Constant (Å): 2.950
Lattice C/A Ratio: n/a


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