Periodic Table · element
Calcium
Ca · Z 20
- atomic number
- 20
- atomic mass
- 40.078
- notation
- Ca
- group
- 2: Beryllium
- period
- 4
- state0c
- Solid
- state20c
- Solid
- occurrence
- Primordial
- density
- 1.55
- melting pt
- 842
- boiling pt
- 1484
- discovered
- 1808
- abundance
- 41500
- bio class
- Bulk
- bio role
- Bone and shell as phosphate and carbonate, and the intracellular signal that triggers muscle contraction and neurotransmitter release.
- ore grade
- 400000
- ore minerals
- limestone, dolomite, gypsum
- mined as
- Primary
extraction
Quarried limestone is burned in a kiln to quicklime, or ground with clay and fired to cement clinker. Calcium metal itself is a small business, made by reducing lime with aluminium under vacuum.
categories
#Alkaline Earth Metal#Metal
Referenced by
equation
skill
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