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calcium (Ca): Calcium, one of the alkaline earth metals, chemical symbol Ca, atomic number 20, the most abundant metallic element in the human body.
Properties. Calcium is a relatively solid material that has a silverish tint to its coloring. Calcium is fairly common in the earth and can be found in bones ...
The mineral calcium is wellknown for its key role in bone health. ... Longe JL ed, The Gale Encyclopedia of Alternative Medicine, second edition, 2004.
Get information, facts, and pictures about calcium at Make research projects and school reports about calcium easy with credible articles from our ...
The age of the Earth is estimated at a little over billion years. Working this out was a difficult problem to solve. For most of human history, the basic facts ...
Calcium arsenate is the inorganic compound with the formula Ca 3 (AsO 4) 2. A colourless solid, it was originally used as a pesticide and as a germicide.
Calcium (chemical symbol Ca, atomic number 20) is the fifth most plentiful chemical element in the Earth''s crust, occurring in various rocks, minerals, coral, and ...
CALCIUM [[[symbol]] Ca ... and was for a long time considered to be an elementary or undecomposable earth. ...
1 "Calcium," KirkOthmer Encyclopedia of Chemical Technology, ... KirkOthmer Encyclopedia of Chemical Technology, 4th ed., Vol. IV, ...
Your body uses minerals to build bones, make hormones, and regulate your heartbeat. Read about the types of minerals and how to get them.
It''s Elemental. Previous Element. The Periodic Table of Elements. Next Element. The Element ... About % of the earth''s crust is composed of calcium.
Encyclopedia > Calcium Search ... Occurrence Calcium is the fifth most abundant element in the earth''s crust (forming more than 3%) ...
Part of the series Encyclopedia of Earth Sciences Series ... 40 K40 Ca isotopic constraints on the oceanic calcium cycle. Earth and Planetary Science Letters 296 ...
The most important calcium compound is calcium carbonate, CaCO 3, the major constituent ... study of the loss of Earth''s biological diversity and the ways this ...
Earth Sciences; Environment, Energy, ... Calcium. Ca Calcium. 20 . . 4 . Symbol. Ca. ... Calcium. Columbia Encyclopedia. PREVIOUS Potassium(K) NEXT
Calcium is a chemical element with symbol Ca and atomic number 20. An alkaline earth metal, calcium is a reactive pale yellow metal that forms a dark oxidenitride ...
The earth''s mantle contains little calcium and the earth''s core probably contains even less (iron meteorites contain percent). ... Encyclopedia browser? ...
Of the six alkaline earth metals, beryllium, calcium, barium, ... The next alkaline earth metal after radium is thought to be element 120, ...
Earth is the planet we live on, ... type of sedimentary rock mostly made of calcium carbonate from shells and skeletons of marine organisms. ... Encyclopedia Quick Find.
Define calcium45. calcium45 ... moderately hard alkalineearth metal that constitutes approximately percent of the earth''s crust and ... Encyclopedia; Wikipedia
Get this from a library! Encyclopedia of the alkaline earth compounds. [R C Ropp] The book is a compilation describing the physical and chemical properties of all ...
Define calcium: a silverwhite divalent metallic element of the alkalineearth group occurring only in combination — calcium in a sentence
Calcium is a chemical element, having the chemical symbol Ca. ... Calcium is considered to be a member of the "alkaline earth metal" class of element.
Encyclopedia of Exercise Medicine in Health and Disease. ... Calcium is a chemical element belonging to the group of alkaline earth metals.
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