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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.

Calcium - Wikipedia

en.wikipedia.org/wiki/Calcium

Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray ... Calcium metal is used as a deoxidizer, desulfurizer, and decarbonizer for production of some ferrous and...

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, scarcity (SRI), podcasts, alchemical symbols, videos and ...

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 ...

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  ...

Chem4Kids.com: Calcium: General Info and Everyday Items

www.chem4kids.com/files/elements/020_speak.html

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/29070-calcium.html

Oct 26, 2016 ... Pure calcium metal is used as a reducing agent in the preparation of other types of metals, such as thorium and uranium and zirconium.

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

www.webmd.com/diet/supplement-guide-calcium

Oct 31, 2016 ... Calcium is used for many other conditions. It's an ingredient in many antacids. Doctors also use calcium to control high levels of magnesium, ...

What are some uses of calcium? | Reference.com

www.reference.com/science/uses-calcium-9ac4e01cfef38025

Calcium, as a metal, is used as a reducing agent in preparing other metals and as an alloying agent. Calcium compounds are widely used to build stone, ...

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.