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Li - Lithium The light metal, lithium, was discovered in mineral compounds, by August Arfvedson in 1817 and electrolyticaly purified by Sir Humphrey Davy (also, independantly by Brandé) in 1818. Lithium metal is reacted with water and its red atomic emission is observed in our laboratories.
Atomic number - 3 Density g/mL 0 .53
Atomic weight u 6 .941 Melting point K 453 .7
Bonding radius A 1 .23 Boiling point K 1615
Atomic radius A 2 .05 Heat of vaporization kJ/mol 145 .92
Ionization Potential V 5 .392 Heat of fusion kJ/mol 3
Electronegativity - 0 .98 Specific heat J/gK 3 .6
The oxide is a strong base.
Crystal are body centered cubic.
Electron config. : 1s2 2s1
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Lithium |
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