Calcium - Calcium Renee Y. Becker CHM 1025 July 6, 2010...

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Calcium Renee Y. Becker CHM 1025 July 6, 2010
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Elemental symbol: Ca State: Soft, gray metal Atomic number: 20 Number electrons Number protons Atomic mass: 40.078 amu Number neutrons
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Fifth most abundant element By mass in the Earth's crust Dissolved ion in seawater By mass in the human body Calcium is essential for living organisms Cell physiology, where movement of the calcium ion
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Isotopes of Calcium Calcium has six isotopes 40Ca 44Ca 42Ca 46Ca
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Difficult to ignite, unlike magnesium, but when lit, the metal burns in air with a brilliant high-intensity red light. Calcium metal reacts with water, evolving hydrogen gas at a rate rapid enough to be noticeable, but not fast enough at room temperature to generate much heat
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Where do we find Calcium? Calcium is not naturally found in its elemental state Sedimentary rocks Calcite Dolomite
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Igneous and metamorphic rocks
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Calcium - Calcium Renee Y. Becker CHM 1025 July 6, 2010...

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