We know that the alkaline earth metal calcium (Ca) and the halogen bromine (Br) form the ionic compound calcium bromide (CaBr2). Here's the reaction:
Ca + 2Br => CaBr2
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calcium chloride
The chemical formula for the compound is CaCl2, where Ca represents calcium and Cl represents chlorine. Calcium forms ionic bonds with chlorine by donating two electrons to each chlorine atom, resulting in a stable compound with a 2:1 ratio of calcium to chlorine.
CaCl2 represents an ionic compound, as it is composed of a metal (calcium) and non-metal (chlorine) that are bonded together through ionic bonds.
Calcium Chloride is an ionic compound. You see, for a substance to be classified as either a non-metal or a metal, it has to be in elemental form. Calcium Chloride is a compound, so you can't say whether it is a non-metal or a metal. However, of the elements that make up this compound, Calcium is a metal and Chlorine is a non-metal.
CaO is calcium Oxide . It is white solid. It is ionically bonded. It is a BASE. It will dissolve in water to form, the alkali, calcium hydroxide. Its bonding may be presented by :0 CaO(s) = Ca^2+ + O^2- . Note the ionic charged balance.