Li
Lithium
Z 3 6.94 g/molAlkali Metal
Group
1
Period
2
Block
s
Occurrence
Dying low-mass stars 60%Big Bang fusion 25%Cosmic ray spallation 15%Geochemical class: Lithophile
Biological Role
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History
1817 (discovery)
Johan August Arfwedson
1818 (isolation)
Humphry Davy
Named By
Johan August Arfwedson
Latin Name
Lithium
Abundance
Solar System< 0.0001%0.0102 ppm
x
Sun< 0.0001%< 0.0001 ppm
x
Meteorites0.000148%1.48 ppm
x
Earth's crust0.0017%17 ppm
x
Oceans< 0.0001%0.18 ppm
x
Humans< 0.0001%0.031 ppm
x