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Lithium
Atomic Number: 3
Atomic mass: 6.941
Melting point: 180.5 °C
Boiling point: 1342 °C
Electronegativity: 1.0
discoverer: Johann Arfvedson
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Description:
Lithium is a solid metal, it is the lightest metal, it is soft, silvery-white, with a low melting point and reactive.
Atom model
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