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My element project

By chaz pugliese. My element project. calcium. Calcium Atomic Number: 20 Symbol: Ca Atomic Weight: 40.078 Calcium Discovery: Sir Humphrey Davy Davy 1808 (England). uses.

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My element project

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  1. By chaz pugliese My element project

  2. calcium • Calcium • Atomic Number: 20 • Symbol: Ca • Atomic Weight: 40.078 • Calcium Discovery: Sir Humphrey Davy Davy 1808 (England)

  3. uses • Uses: Calcium is essential for human nutrition. Animals skeletons get their rigidity primarily from calcium phosphate. The eggs of birds and shells of mollusks are comprised of calcium carbonate. Calcium is also necessary for plant growth

  4. Pictures:

  5. Groups: • Calcium is found in the metal group.

  6. Compounds: • Calcium is not a compound.

  7. Apperence: • It is found in nature as a element.

  8. Where it is commonly found: • Although calcium is the fifth most abundant element in the earth's crust, it is never found free in nature since it easily forms compounds by reacting with oxygen and water.

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