B
Boron
Z 5 10.81 g/molMetalloid
Group
13
Period
2
Block
p
Occurrence
Cosmic ray spallationGeochemical class: Lithophile
Biological Role
Humans: BeneficialPlants: EssentialMicrobes: Essential
History
1808 (discovery, isolation)
Joseph Louis Gay-Lussac, Louis Jacques Thénard
1808 (isolation)
Humphry Davy
Named By
Humphry Davy
Latin Name
Borium
Abundance
Solar System< 0.0001%0.00511 ppm
x
Sun< 0.0001%0.00401 ppm
x
Meteorites< 0.0001%0.744 ppm
x
Earth's crust0.0011%11 ppm
x
Oceans0.000444%4.44 ppm
x
Humans< 0.0001%0.69 ppm
x