Lithium

Symbol: Li
Atomic Number: 3
Atomic Weight: 6.941
Element Classification: Alkali Metal
Discovered By: Johann Arfwedson
Discovery Date: 1817 (Sweden)
Name Origin: Greek: lithos (stone).

Density (g/cc): 0.534
Melting Point (K): 553.69
Boiling Point (K): 1118.15
Appearance: Soft, silvery-white metal
Atomic Radius (pm): 155
Atomic Volume (cc/mol): 13.1
Covalent Radius (pm): 163
Ionic Radius: 68 (+1e)
Specific Heat (@20C J/g mol): 3.489
Fusion Heat (kJ/mol): 2.89
Evaporation Heat (kJ/mol): 148
Thermal Conductivity (@25C W/m K):
Debye Temperature (K): 400.00
Pauling Negativity Number: 0.98
First Ionizing Energy (kJ/mol): 519.9
Oxidation States: 1
Electronic Configuration: [He] 2s1
Lattice Structure: Body-Centered Cubic (BCC)
Lattice Constant (): 3.490
Lattice C/A Ratio: n/a

Mineral Hardness [no units]: 0.6

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