Calcium
Calcium
Chemical Symbol: Ca
Atomic Number: 20
Atomic Mass: 40.078
Solid
Silvery
Metallic (metal)
Atomic Number: 20
Atomic Mass: 40.078
Solid
Silvery
Metallic (metal)
http://0.tqn.com/d/chemistry/1/0/w/3/1/Calcium_1.jpg
Calcium was discovered in 1808 by Sir Humphry Davy in London. The Romans learned later how to prepare it. They first created Limestone was called calx back then. They heated calx leaving off carbon dioxide creating Calcium Oxide. (below) Which from then on was sed to create an element called Calcium.
http://www.natureer.com/uploadfile/201012/28/5E114752326.jpg
Properties
Calcium: Soft on the outside but fairly hard on the inside.
Chemical Symbol: Ca
Atomic Number: 20
Atomic Mass: 40.078
Solid, Liquid, or Gas: Solid
Color: Silver
Element Group: Metallic (Metal)
Melting Point: 1,547 degrees F
Boiling Point: 2,703 degrees F
Solid at 77 degrees F
Half Life: Stable
Calcium: Soft on the outside but fairly hard on the inside.
Chemical Symbol: Ca
Atomic Number: 20
Atomic Mass: 40.078
Solid, Liquid, or Gas: Solid
Color: Silver
Element Group: Metallic (Metal)
Melting Point: 1,547 degrees F
Boiling Point: 2,703 degrees F
Solid at 77 degrees F
Half Life: Stable
These videos show some pictures of Calcium.
Interesting Facts
- Calcium is the 5th most abundant element in the earth's crust.
- Pure calcium reacts vigorously to water and acids.
- Calcium has been known as a element since the 1st century. The Romans have made calcium oxide for lime.
- The element name "Calcium" comes the word that is Latin, "Calcis" which means, "Lime".
Calcium Rich Foods
http://metro-medispa.com/wp-content/uploads/2012/04/Calcium-Rich-Foods.jpg
These foods are Calcium rich foods. They are support bones and help maintain a healthy skeleton and lifestyle. This is a list of many Calcium Rich foods that would be needed for a healthy lifestyle.
Where Calcium was discovered
Google Maps (owned by Google)
These are just a molecule size amount of information (see what I did there) so feel free to look up some other facts too!
Sources:
"Calcium." InfoTrac Junior Edition. Gale, 2000. Web. 15 Mar. 2013.
Dingle, Adrian. "Calcium." The Periodic Table: Elements with Style. New York: Kingfisher, 2007. 26-27. Print.
Helmenstine, Anne M. "10 Calcium Facts." About.com. N.p., n.d. Web. 20 Mar. 2013. <http://chemistry.about.com/od/elementfacts/a/10-calcium-facts.htm>.
"Where Else Can You Find Calcium?" Chem4Kids.com: Calcium: Say It. Andrew Rader Studios, 2012. Web. 19 Mar. 2013.
"Where Was Calcium Discovered And The Nature Of It's Discovery?" Blurtit. N.p., n.d. Web. 20 Mar. 2013. <http://www.blurtit.com/q629586.html>.
"Calcium." InfoTrac Junior Edition. Gale, 2000. Web. 15 Mar. 2013.
Dingle, Adrian. "Calcium." The Periodic Table: Elements with Style. New York: Kingfisher, 2007. 26-27. Print.
Helmenstine, Anne M. "10 Calcium Facts." About.com. N.p., n.d. Web. 20 Mar. 2013. <http://chemistry.about.com/od/elementfacts/a/10-calcium-facts.htm>.
"Where Else Can You Find Calcium?" Chem4Kids.com: Calcium: Say It. Andrew Rader Studios, 2012. Web. 19 Mar. 2013.
"Where Was Calcium Discovered And The Nature Of It's Discovery?" Blurtit. N.p., n.d. Web. 20 Mar. 2013. <http://www.blurtit.com/q629586.html>.