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calcium is s soft grey metal that reacts quickly in nigria

Calcium

Calcium (pronounced /ˈkælsiəm/) is the chemical element with the syol Ca and atomic nuer 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element in the Earth''s crust.

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Calcium - Simple English Wikipedia, the free encyclopedia

Calcium is a soft white-gray metal. It is a solid and is opaque. It is an alkaline earth metal. Its melting point is hotter than most other reactive metals. It is a little harder than lead. It has two allotropes. It does not conduct electricity as well as copper, but is

Calcium | Ca - PubChem

Calcium appears as a silvery, soft metal that turns grayish white on exposure to air. Used in metallurgy. CAMEO Chemicals. Calcium plays a vital role in the anatomy, physiology and biochemistry of organisms and of the cell, particularly in signal transduction pathways.

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UNIVERSITY OF CARIDGE INTERNATIONAL EXAMINATIONS …

C It is a non-metal that burns quickly in air. D It is a soft metal that is highly reactive with water. 28 Which row describes the conditions used to make steel from the iron produced by a blast

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Metallium - Rare, Exotic Metals and …

Potassium is a very soft, silver-white metal that reacts explosively with water, releasing hydrogen and igniting it. Potassium compounds impart a deep purple color to a flame. It quickly oxidizes in air forming various oxides and hydroxides, thus the need to keep it stored in mineral oil or under argon.

Why is it that calcium is a soft grey metal that reacts …

Calcium : Ca Calcium is a soft, silvery white, reactive metal that burns in air with a crimson flame. Its compounds are very common in the Earth''s crust. The name is from the Latin for stone. The Romans often used stones to count, so the word calculate is from

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Because our bones are made of calcium, why don''t our …

Calcium does react with water, but our bones aren''t made of calcium metal. Bones are a collagen structure filled in with mostly calcium carbonate and some calcium phosphate.

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