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Reikalingas dantims ir mūs? kaulams.; kemi?ni element s simbolom Ca in vrstnim ?tevilom 20; 原子序数为20的化学元素; ???????? ???????????; unsur kimia dengan lambang Ca dan nomor atom 20; 20. pierwiastek chemiczny; 原子序數為20的化學元素; scheikundig element met symbool Ca en atoomnummer 20; kimyasal element; К. н; hemijski element sa simbolom Ca i atomskim brojem 20; химический элемент с порядковым номером 20; elemento químico de número atómico 20; grund?mne i form av en alkalisk jordartsmetall; χημικ? στοιχε?ο με σ?μβολο Ca και ατομικ? αριθμ? 20; keemiline element sümboliga Ca ja aatomnumbriga 20; leelismuldmetall; Ca; Ca; Ca; zat kapur; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; kalcijum; Ca; Ca; Ca; élément 20; 20Ca; Ca; Ca; Ca; Ca; Ca; Ca; grunnstoff 20; Kalsium; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; elementu 20; Ca; Ca; Ca; Ca; Ca; Ca; Ca; 钙; Ca; Ca; カルシューム; Ca; Ca; Ca; Ca; Ca; ????????; ??????????; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; кальц; Ca; calciu; Ca; Ca; Ca; Ca; Ca; calso; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; kelkiu; kelkym; 20Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; canxi; Ca; Ca; Ca; Ca; Ca; elemento 20; Ca; Ca; Ca; grunnstoff 20; 20Ca; Ca; Ca; Ca; element 20; 20Ca; Ca; Ca; unsur 20; mészeny; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Kalzium; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; elemento 20; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca; Ca</nowiki>

calcium 

chemical element with symbol Ca and atomic number 20
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Wikipedia
Instance of	chemical element (scandium, potassium) essential medicine lithophile
Subclass of	alkaline earth metal
Part of	period 4 (scandium, 2, potassium) alkaline earth metal (strontium, 3, magnesium)
Named after	lime (Latin, calx)
Discoverer or inventor	Humphry Davy
Time of discovery or invention	1808
Mass	40.078 ±0.004 Da
Different from	serum calcium
Authority file  Q706 GND ID: 4069806-3 Library of Congress authority ID: sh85018768 Bibliothèque nationale de France ID: 11976285h NDL Authority ID: 00565069 BNCF Thesaurus ID: 8953 NL CR AUT ID: ph116664 National Library of Spain SpMaBN ID (BNE v1.0): XX531346 BabelNet ID: 00006850n J9U ID: 987007293780405171 Reasonator Scholia Wikidocumentaries KML file Search depicted

Mineral

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  Calcium carbonate rocks
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  Chalk quarry
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  cement quarry
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  calcium iron quartz
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  Wernerite Fluorescence
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  Calcite-Maroc-UV
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  Aragonite UV fluorescence
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  Aragonite
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  calcium, copper, arsenic oxide
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  gypsum calcium sulphate
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  Plombièrite
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  Apophyllite quartz
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  Calcium sulphate crystals
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  Fluorescence in calcite
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  Calcite and Hemimorphite
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  Calcium peroxide octahydrate
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  Ammolite
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  Microstructure of lime soil
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  calcite
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  calcite
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  calcite
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  Calcite stalagtites
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  Calcite stalagtites
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  Coral
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  shells

Metal

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  Flame test
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  granules
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  Vápenec - CaCO₃
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  Calcium grains
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  shells contain some calcium
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  sample
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  sample
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  calcium
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  metal
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  Calcium carbide

Uses

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  concrete is calcium carbonate dehydrate crystal
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  bones contain some calcium
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  rickets
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  Antacid
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  Calcium Tablets
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  vitamin pills
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  Ca2N electride
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  aragonite sculpture
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  pearls, cultured
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  calcium chloride used in cheese making
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  nanotech

Videos

• low levels
• high levels
• calcite caves
• Calcium carbide and water
• Milk
• cheese