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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


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


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


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


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


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


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


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


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


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.