Calcium

**By, Marin Emrick. Edited by josh quinn,Mason Weybright.** __ At ____ omi ____ c symbol __ :Ca __Atomic number:__ 20 __Atomic weight:__ 40.078 __Melting point:__ 1,548º F (852º C) __Phase:__ Solid __ Electron configuration: Munch __ __ Description: __ Calcium is a a silver, soft grey alkaline earth metal. __ Background: __ The element name "calcium" comes from the Latin word "calcis" meaning lime. It has been known since the 1st century, when the Romans were known to make lime from calcium oxide. Though calcium has been known for thousands of years, it was not purified as an element until 1808 by Sir Humphrey Davy of England. __Recommended intake:__ 0-6 months: 200mg per day 7-12 months: 260mg per day 1-3 years: 700mg per day 4-8 years: 1000mg per day 9-18 years: 1300mg per day 19-50 years: 1000mg per day 51-70 years (male) : 1000 per day 51-70 years (female) : 1200 per day 71+ years: 1200 __Facts:__
 * Calcium**
 * Calcium is the most abundant mineral in the body.
 * Calcium is used for making cement, cheese, removing nonmetallic impurities from alloys, and as a reduction agent in the preparation of other metals.
 * Pure calcium metal reacts vigorously and sometimes violently with water and acid.
 * Calcium is in milk.
 * Your bones are made of Calcium
 * drink milk to get strong bones