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Lithium

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name Lithium
latin Lithium
french Lithium
german Lithium
symbol Li
proton number 3
atomic weight 6.941
Pauling electronegativity 0.98
electronic configuration [He] 2s1
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melting point 453.69 K, 180.54°C, 356.97°F
boiling point 1615 K, 1342°C, 2447°F
group 1
period 2
state (by 20°C) solid
oxidation states +1
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Discoverer

Year of discovery Discoverer
1817 Johan August Arfwedson (1792-1841)

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