Mo
Molybdenum
Z 42 95.95 g/molTransition Metal
Group
6
Period
5
Block
d
Occurrence
Dying low-mass stars 62%Merging neutron stars 38%Geochemical class: Siderophile
Biological Role
Humans: MicronutrientPlants: EssentialMicrobes: Essential
History
1778 (discovery)
Carl Wilhelm Scheele
1781 (isolation)
Peter Jacob Hjelm
Named By
Peter Jacob Hjelm
Latin Name
Molybdenum
Abundance
Solar System< 0.0001%0.00651 ppm
x
Sun< 0.0001%0.00538 ppm
x
Meteorites< 0.0001%0.947 ppm
x
Earth's crust< 0.0001%0.8 ppm
x
Oceans< 0.0001%0.01 ppm
x
Humans< 0.0001%0.13 ppm
x