Voozh

Main isotopes^[7]			Decay
	abundance	half-life (t_1/2)	mode	product
⁴⁰Ca	96.9%	stable
⁴¹Ca	trace	9.94×10⁴y	ε	⁴¹K
⁴²Ca	0.647%	stable
⁴³Ca	0.135%	stable
⁴⁴Ca	2.09%	stable
⁴⁵Ca	synth	163d	β⁻	⁴⁵Sc
⁴⁶Ca	0.004%	stable
⁴⁷Ca	synth	4.5d	β⁻	⁴⁷Sc
⁴⁸Ca	0.187%	6.4×10¹⁹y	β⁻β⁻	⁴⁸Ti

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Kategorya: Calcium

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Ang kalsyo o kalsyum (Espanyol: calcio, Ingles: calcium, may sagisag na Ca, atomikong bilang na 20, atomikong timbang na 40.08, punto ng pagkatunaw na mula 842 hanggang 48°C, punto ng pagkulong 1,487°C, espesipikong grabidad na 1.55, at V na 2) ay isang elementong metalikong kahawig ng pilak at medyo may katigasan. Isa ito sa mahahalagang sangkap sa mga buto, sa mga kabibe, at sa mga dahon. Sangkap din ito sa paggawa ng plaster, apog, at semento. Natuklasan ito noong 1808 ni Humphry Davy.^[8]

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↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (ika-2nd (na) labas). Butterworth-Heinemann. p.112. ISBN 978-0-08-037941-8.
↑ "Standard Atomic Weights: Calcium" (sa wikang Ingles). CIAAW. 1983.
↑ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (sa wikang Ingles). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
1 2 3 Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
↑ Krieck, Sven; Görls, Helmar; Westerhausen, Matthias (2010). "Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes". Journal of the American Chemical Society (sa wikang Ingles). 132 (35): 12492–12501. doi:10.1021/ja105534w. PMID 20718434.
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp.E110. ISBN 0-8493-0464-4.
↑ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
↑ Gaboy, Luciano L. Calcium, kalsyo, kalsyum - Gabby's Dictionary: Praktikal na Talahuluganang Ingles-Filipino ni Gabby/Gabby's Practical English-Filipino Dictionary, GabbyDictionary.com.