Periodic Table · element
Zinc
Zn · Z 30
- atomic number
- 30
- atomic mass
- 65.38
- notation
- Zn
- group
- 12: Zinc
- period
- 4
- state0c
- Solid
- state20c
- Solid
- occurrence
- Primordial
- density
- 7.14
- melting pt
- 419.53
- boiling pt
- 907
- discovered
- -1000
- abundance
- 70
- bio class
- Trace
- bio role
- Structural or catalytic in thousands of enzymes, and in the zinc-finger proteins that read DNA.
- ore grade
- 50000
- ore minerals
- sphalerite
- mined as
- Primary
extraction
Sphalerite is floated to a concentrate, roasted to zinc oxide, leached in sulfuric acid, purified by cementation with zinc dust to strip out copper, cobalt and cadmium, and electrowon onto aluminium cathodes. Cadmium, germanium and indium are by-products of the purification stage.
categories
#Transition Metal#Metal#Volatile Metals
Referenced by
equation
machine
mine
skill
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