Calcium
21Calcium 48 — Le calcium 48, noté 48Ca, est l isotope du calcium dont le nombre de masse est égal à 48 : son noyau atomique compte 20 protons et 28 neutrons avec un spin 0+ pour une masse atomique de 47,952534 g/mol. Il est caractérisé par un… …
22Calcium — Ca (Symbol); Kalzium * * * Cạl|ci|um 〈n.; s; unz.; chem. 〉 = Kalzium * * * Cạl|ci|um [↑ Calc u. ↑ ium (1)], das; s; Symbol: Ca; GS: Kalzium: ch …
23calcium-45 — noun A radioactive isotope of calcium, , having twenty protons and twenty five neutrons, and a half life of 165 days; it is used as a tracer in studying calcium metabolism See Also: calcium 40, calcium 42, calcium 43 …
24calcium-40 — noun Tha major stable isotope of calcium, , having twenty protons and twenty neutrons; it amounts to almost 97% of the element in nature See Also: calcium 42, calcium 43, calcium 44, calcium 45, calcium 46 …
25calcium-42 — noun A minor stable isotope of calcium, , having twenty protons and twenty two neutrons; it amounts to about 0.6% of the element in nature See Also: calcium 40, calcium 43, calcium 44, calcium 45, calcium 46 …
26calcium-43 — noun A minor stable isotope of calcium, , having twenty protons and twenty three neutrons; it amounts to about 0.1% of the element in nature See Also: calcium 40, calcium 42, calcium 44, calcium 45, calcium 46 …
27calcium-44 — noun A minor stable isotope of calcium, , having twenty protons and twenty four neutrons; it amounts to about 2% of the element in nature See Also: calcium 40, calcium 42, calcium 43, calcium 45, calcium 46 …
28calcium-46 — noun A rare stable isotope of calcium, , having twenty protons and twenty six neutrons; it amounts to only 0.004% of the element in nature See Also: calcium 40, calcium 42, calcium 43, calcium 44, calcium 45 …
29calcium-48 — noun A naturally occurring radioactive isotope of calcium, , having twenty protons and twenty eight neutrons, and a half life of 4.3x10 years See Also: calcium 40, calcium 42, calcium 43, calcium 44, calcium 46 …
30calcium — n. a soft grey metallic element of the alkaline earth group occurring naturally in limestone, marble, chalk, etc., that is important in industry and essential for normal growth in living organisms. Usage: Symb.: Ca. Phrases and idioms: calcium… …
