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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 ... processes. As a major material used in mineralization of bone, teeth and shells, calcium is the most abu...

What is calcium used for? - The Dairy Council

www.milk.co.uk/page.aspx?intPageID=132

Calcium plays a vital role within the body and has numerous essential functions. Calcium and bones. Bone is formed from a complex matrix of proteins within ...

It's Elemental - The Element Calcium

education.jlab.org/itselemental/ele020.html

Due to its high reactivity with common materials, there is very little demand for metallic calcium. It is used in some chemical processes to refine thorium, uranium  ...

Uses of Calcium - News Medical

www.news-medical.net/health/Uses-of-Calcium.aspx

May 22, 2014 ... Calcium is the most abundant mineral in the human body, making up about ... Calcium may be used as a reducing agent in the process of metal ...

Calcium: Supplements, Deficiency, Uses, Effects, and More - WebMD

www.webmd.com/vitamins-and-supplements/lifestyle-guide-11/supplement-guide-calcium

Calcium is used for many other conditions. It's an ingredient in many antacids. Doctors also use calcium to control high levels of magnesium, phosphorus, and ...

Chemistry for Kids: Elements - Calcium - Ducksters

www.ducksters.com/science/chemistry/calcium.php

Kids learn about the element calcium and its chemistry including atomic ... form has few industrial uses, but its compounds with other elements are widely used.

Calcium - Chemicool

www.chemicool.com/elements/calcium.html

People have used calcium's compounds for thousands of years – in cement, for example. Limestone [calcium carbonate] was called calx by the Romans.

Calcium Facts for Kids - Element Ca, Properties, Uses

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

Calcium is a chemical element with the symbol Ca and an atomic number of 20. ... Calcium compounds are used in the making of cement, glass, lime, bricks, ...

What Is Calcium Used for Inside the Human Body? - Livestrong.com

www.livestrong.com/article/517592-what-is-calcium-used-for-inside-the-human-body/

Oct 21, 2013 ... Calcium is an important mineral for your body. It primarily takes three forms in the body. First, it is part of the molecular composition of bone, ...

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

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

Atomic number. 20. Atomic mass. 40.08 g.mol <sup>-1</sup>. Electronegativity according to Pauling. 1.0. Mass volume. 1.6 g.cm<sup>-3</sup> at 20°C. Melting point. 840 °C.

Answer
Calcium plays a key role in the development and maintenance of bones and teeth. Calcium enables the contraction of muscles and is essential for normal blood clotting, proper nerve impulse transmission, and the appropriate support of connective tissue.
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Calcium - Element information, properties and uses | Periodic Table

www.rsc.org

Element Calcium (Ca), Group 2, Atomic Number 20, s-block, Mass 40.078. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...

Chem4Kids.com: Calcium: General Info and Everyday Items

www.chem4kids.com

Humans have known about calcium and calcium containing compounds since before the Greeks and Romans. Romans used lime in their concrete and gave it ...

Facts About Calcium - Live Science

www.livescience.com

Apr 25, 2013 ... Pure calcium metal is used as a reducing agent during preparation of other metals such as thorium, uranium, zirconium and more. It is also ...