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Calcium

(Ca)

Category

Alkaline earth

Relative atomic mass

40.078

Density

1.55

Melting point (°C)

1115

Boiling point (°C)

1484

Electronegativity (Pauling)

1.04

Discovery year

1808

Discovered by

Sir Humphry Davy

created by @lukaswyss

Calcium (Ca) – Element 20