Calcium+ Matthew


 * Element name**[[image:Calcium.png width="216" height="288" align="right"]]: Calcium


 * Element Symbol:** Ca


 * Atomic mass:** 40


 * Atomic number:** 20
 * Protons:** 20


 * Electrons:** 20


 * Discovery:** Sir Humphrey Davy in 1808


 * How it was named:** From the latin word for lime; calx


 * What is its state of matter:** Solid


 * Melting point:** 842°c


 * Boiling point:** 1484°c


 * Three characteristics:** The color is silver, does not have a smell, and is not radioactive


 * Uses:** Used to make white pasture, and to make cleaning powder


 * Interesting facts:** Calcium helps stop blood clotting, it is the fifth most abundant element in earth's crust

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