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Calcium

en.wikipedia.org/wiki/Calcium

Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray .... into a powder and mixed into food or a glass of water. The calcium content of most foods can be found i...

Q & A: Where is calcium found? | Department of Physics | University ...

van.physics.illinois.edu/QA/listing.php?id=973

In nature, calcium is found in rocks, chalk, and seashells. It is found in the bones, muscles, and nerves of animals and in many different plants. In the food you eat ...

It's Elemental - The Element Calcium

education.jlab.org/itselemental/ele020.html

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 ...

Calcium (Ca) - Chemical properties, Health and Environmental effects

www.lenntech.com/periodic/elements/ca.htm

Energy of first ionisation. 589.6 kJ.mol <sup>-1</sup>. Energy of second ionisation. 1145 kJ. mol <sup>-1</sup>. Standard potential. - 2.87 V. Discovered. Sir Humphrey Davy in 1808 ...

Calcium - Element information, properties and uses | Periodic Table

www.rsc.org/periodic-table/element/20/calcium

Element Calcium (Ca), Group 2, Atomic Number 20, s-block, Mass 40.078. Sources, facts, uses ... Discovered by, Humphry Davy. Origin of the name, The name ...

Where Is Calcium Found On The Periodic Table? - Chemistry

chemistry.about.com/od/calcium/ss/Where-Is-Calcium-Found-On-The-Periodic-Table.htm

This shows where calcium appears on the periodic table of the elements.

Facts About Calcium - Live Science

www.livescience.com/29070-calcium.html

Apr 25, 2013 ... Properties, sources and uses of the element calcium. ... It is never found isolated in nature but is often found combined in minerals such as ...

Sources of Calcium: 18 Surprising Sources of Calcium (That Aren't ...

greatist.com/health/18-surprising-dairy-free-sources-calcium

Apr 7, 2014 ... Fun fact: Calcium is the most abundant mineral in the body, and is found naturally in a wide variety of foods and beverages and added to many ...

calcium (Ca) | chemical element | Britannica.com

www.britannica.com/science/calcium

Apr 13, 2016 ... As calcium fluoride, it occurs as fluorite, or fluorspar. And as calcium sulfate, it occurs as anhydrite. Calcium is found in many other minerals, ...

Calcium Facts for Kids - Element Ca, Properties, Uses

www.sciencekids.co.nz/sciencefacts/chemistry/calcium.html

Calcium is found in many rocks such as limestone, chalk and marble as well as ... Calcium is not naturally found in its elemental state but calcium compounds ...

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Calcium»the essentials [WebElements Periodic Table]

www.webelements.com

Calcium does not occur as the metal itself in nature and instead is found in various minerals including as limestone, gypsum and fluorite. Stalagmites and ...

Chemistry for Kids: Elements - Calcium - Ducksters

www.ducksters.com

Calcium is rarely found in its elemental form, but is readily found throughout the Earth mostly in the form of rocks and minerals such as limestone (calcium ...

Where on the earth can calcium be found? | Reference.com

www.reference.com

Solid calcium can be found in sedimentary rock in the earth's crust, and in the minerals gypsum, dolomite and calcite. Elemental calcium is not found naturally on ...