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Chlorine reacts readily with calcium. Calcium donates two electrons to this ionic bond and chlorine accepts one electron from calcium into its valance shell, so you need two chlorines to react with calcium.

Ca(2+) and Cl-

= CaCl2

Calcium chloride

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โˆ™ 13y ago
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โˆ™ 5mo ago

Fluorine (F) or oxygen (O) ions are likely to spontaneously react with calcium (Ca) due to their high electronegativity and ability to form stable compounds with calcium.

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Q: Which element or ion will spontaneously react with Ca?
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