Chemical Elements.com - Calcium (Ca)

“Basic Information Name: Calcium Symbol: Ca Atomic Number: 20 Atomic Mass: 40.078 amu Melting Point: 839.0 °C (1112.15 K, 1542.2 °F) Boiling Point: 1484.0 °C (1757.15 K, 2703.2 °F) Number of Protons/Electrons: 20 Number of Neutrons: 20 Classification: Alkaline Earth Crystal Structure: Cubic Density...” (from the page’s text)

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