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1. www.rsc.org › periodic-table › elementCalcium - Element information, properties and uses | Periodic...

   www.rsc.org › periodic-table › element

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

   • Scandium

     For more information on the Visual Elements image see the...

   • Potassium

     Uses and properties John Emsley, Nature’s Building Blocks:...

   • Listen to Calcium Podcast

     Our drinking water also contains calcium ions - more so in...

2. www.britannica.com › science › calciumCalcium | Definition, Properties, & Compounds | Britannica

   www.britannica.com › science › calcium

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   12 Νοε 2024 · calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earth ’s crust. calcite Calcite, the most common form of natural calcium carbonate (CaCO3).

3. periodic-table.com › calciumCalcium Element | History, Uses, Facts, Physical Chemical...

   periodic-table.com › calcium

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   Its physical and chemical properties are most similar to strontium and barium. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminum. The atomic number of calcium is 20, and atomic weight is 40.078.

4. byjus.com › chemistry › calciumCalcium - Element Data, Properties, Uses, and Interesting Facts -...

   byjus.com › chemistry › calcium

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   Calcium is an Element which is Denoted by the Symbol Ca. The Atomic Number of Calcium is 20. Learn about the Important Properties and Uses of Calcium Here.

5. en.wikipedia.org › wiki › CalciumCalcium - Wikipedia

   en.wikipedia.org › wiki › Calcium

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   Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium.

6. www.schoolmykids.com › learn › periodic-tableCalcium (Ca) - Element Information, Facts, Properties, Uses -...

   www.schoolmykids.com › learn › periodic-table

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   Calcium is a Alkaline Earth Metal element. It is part of group 2 (beryllium family). Know everything about Calcium Facts, Physical Properties, Chemical Properties, Electronic configuration, Atomic and Crystal Structure. Calcium is a chemical element with symbol Ca and atomic number 20.

7. pubchem.ncbi.nlm.nih.gov › compound › calciumCalcium | Ca | CID 5460341 - PubChem

   pubchem.ncbi.nlm.nih.gov › compound › calcium

   Calcium appears as a silvery, soft metal that turns grayish white on exposure to air. Used in metallurgy. Calcium alloys, pyrophoric appears as a white to gray solid. Denser than water. Contact may cause burns to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals. Calcium atom is an alkaline earth metal atom.