about calcium some words
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Calicum
It is a chemical element with the symbol Ca and automic number 20. As an alkaline earth metal calicum is a reactive metal that forms a dark oxide nitride layer when exposed with air. It's physical and chemical properties are most similar to its heavier homologous strontium and barium
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Calcium is a nutrient that all living organisms need, including humans. It is the most abundant mineral in the body, and it is vital for bone health. Humans need calcium to build and maintain strong bones, and 99% of the body's calcium is in the bones and teeth.
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