The periodic table/Calcium

Discovery
Calcium was discovered by Sir Humphrey Davy in 1808.

Quick Facts
Name: calcium atom

Symbol: Ca

Atomic Mass: 40

Classification: alkaline earth metals

Protons: 20

Electrons: 20

Neutrons: 20

Color: silvery

Discovery in: 1808

Density: 1.55 g/cm3

Crystal Structure: cubic

Melting Point: 839.0 °C

Boiling Point: 1484.0 °C

Common Uses: reducing agents, alloying agents