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Periodic table
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lithium
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Li-7
Lithium-7 (Li-7)
Identity
Protons
3
Neutrons
4
Mass number
7
Mass
7.0160 ± 0.0045 u
Mass excess
14.907 MeV
Spin
3/2-*
Stability
stable
Natural occurrence
95.15 %
of lithium
Produced by
Be-7
All isotopes of lithium