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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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.
No, calcium (Ca) is not the most active element. The most active elements are typically found in Group 1 of the periodic table, such as sodium (Na) and potassium (K), which readily react with water and air.
This chemical element is calcium (Ca).
The element that forms a 2+ ion with the same electronic configuration as Ar is Calcium (Ca). When Calcium loses two electrons, it attains the same electronic configuration as argon by having a full outer shell of electrons.
Calcium.
No, the calcium ion Ca+2 has fewer electrons than the neutral calcium atom. The calcium atom has 20 electrons, while the Ca+2 ion has 18 electrons because it has lost two electrons to become positively charged.