3+-+Bush+-+Ca

CALCIUM 1.Name Calcium 2.Symbol Ca 3.Atomic Number 20 4.Atomic Mass 40.078 5.Melting Point 839.0 °C (1112.15 K, 1542.2 °F) 6.Boiling Point 1484.0 °C (1757.15 K, 2703.2 °F) 7.Number of Protons/Electrons 20 8.Number of Neutrons 20 9.Classification Alkaline Earth metal 10.Color Silvery
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