By: Nathaniel Byrd.
Element symbol/Ca Element Name/Calcium Atomic Number/20 Atomic Mass/ Solid, Liquid, or Gas? Solid Metal metalloid, or nonmetal/Metal Family name/Alkaline Earth Metal Who and when discovered it/ Sir Humphrey duty, 1808.
How is it used(Must have 3) treating things, high blood presser, & healthy bones. Physical, chemical properties/ reactive, metal, nontoxic, soft, and can be cut with a knife. 3 Interesting facts/ silver, 3.5% of the earths crust, and naturally occurs in limestone.