1. Savannah Phinney Honors Chemistry Adopt an Element Project
“Hey Cal, see ‘em?!”
Savannah Phinney
Honors Chemistry
Adopt an Element Project

2. Description Classification: Alkali Earth Metal Color: silver/grey
Atomic weight:40.078
State: solid
Shells:
Melting point: 842 degrees Celsius

3. Where is Calcium Found? 3rd most abundant metal
Accounts for 3.64% of earth’s crust
Never found free in nature
Easily forms compounds by reacting with oxygen and water

4. Discovery of Calcium 1808 Isolated b y Sir Humphrey Davy
Isolated through the electrolysis of a mixture of lime (CaO0 and mercuric oxide (HgO)
Electro-> electric current
Lysis-> Greek for release or break down

5. Health and Calcium Most abundant element in human body
Main constituent of bones
Essential in human skeleton and teeth
Body needs 2.5 g per day
Lack of calcium -> Osteoporosis
Glut of Calcium-> kidney stones, sclerosis of kidneys/blood vessels