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Calcium Metal

Calcium is the chemical element with symbol Ca and atomic number 20. Calcium is a soft grey alkaline earth metal, and is the fifth-most-abundant element by mass in the Earth's crust. Calcium is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate. Calcium is essential for living organisms, in particular in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bones and shells, calcium is the most abundant metal by mass in many animals.

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Title:

Calcium Metal

Caption:

Calcium is the chemical element with symbol Ca and atomic number 20. Calcium is a soft grey alkaline earth metal, and is the fifth-most-abundant element by mass in the Earth's crust. Calcium is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate. Calcium is essential for living organisms, in particular in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bones and shells, calcium is the most abundant metal by mass in many animals.

Credit:

Album / Science Source / Charles D. Winters

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Image size:

3750 x 2500 px | 26.8 MB

Print size:

31.8 x 21.2 cm | 12.5 x 8.3 in (300 dpi)

Keywords:

CALCIUM • CHEMICAL • CHEMISTRY • ELEMENT • LIFE • METAL • MINERAL • OBJECT • OBJECTS • STILL • UMBRELLA