Determine the ionic characteristics of this element. calcium

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07-01-2017
Biology

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Determine the ionic characteristics of this element. calcium

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maimunaaj maimunaaj · Answer 1 · 2017-01-07T17:43:37+01:00

Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray Group 2 alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[5] Free calcium metal is too reactive to occur in nature. Calcium is produced in supernova nucleosynthesis.