COMPOUNDS OF CALCIUM
COMPOUND
PREPARATION
PROPERTIES
Calcium oxide (CaO)
heat
CaCO3 è CaO + CO2
White powder
With water it forms Ca(OH)2
CaO + HCl
è 2CaCl2 + H2O
Calcium hydroxide Ca(OH)2
CaO + H2O è Ca(OH)2
White amorphous […]
CALCIUM
Calcium is a soft grey metallic element belonging to the group II of the periodic table. It is characterised by
Atomic number 20
Relative atomic mass 40.08
Relative density 1.55
Melting point 840OC
Boiling point 1484OC
OCCURRENCE
Calcium compounds are common in the earth’s crust. In the earth’s crust it occurs as limestone and marble […]
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