Lithium
Symbol
Li
Atomic Number
3
Atomic Weight
6.941
Element Classification
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
3.489
Fusion Heat (kJ/mol)
2.89
Evaporation Heat (kJ/mol)
148
Thermal Conductivity (@25°C W/m K)
84.8
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
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