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element project

Anaya Patel

on 17 December 2012

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Transcript of Calcium

Information Uses Research Calcium Interesting Facts (cc) photo by Metro Centric on Flickr (cc) photo by jimmyharris on Flickr (cc) photo by Metro Centric on Flickr Symbol:
Ca The atomic
number: 20 The Atomic Mass: 40 # of protons:
20 # of neutrons:
20 # of electrons:
20 Melting Point:
842 degrees C. Boiling Point:
1484 degrees C. Normal Phase:
solid Calcium is in the metal classification Belongs to the Alkaline Earth family Calcium came from the word for lime in latin, calx By: Anaya Patel 1. Most common compound
is limestone. 2. It is 3% of the earth's crust 3. Always in a compound in
nature 4. People have known about it since before the Greeks and Romans 5. It easily forms compounds with oxygen and water 6. Calcium is in most living things 1. Blackboard chalk 2. Coral rock 3. Algae in coral reefs 4. Pearls 5. Shells of snails and
mussels 6. Plaster in walls of a house Bibliography 1. book- Calcium and Magnesium
Publisher- Grolier EducationaL
Year- 1996
Pages: 2-5 2. http://sciencespot.net 3. http://education.jlab.org 4. http://chem4kids.com 5. http://periodic.lanl.gov/index.shtml calcium calcium tablets Discovered in
1808 By Sir Humphry
Davy also includes: Beryllium, Magnesium, Strontium, Barium,
and Radium. calcium
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