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Calcium Chloride CaCl2 is an inorganic salt, which exists in a solid form or as a liquid solution. Solid calcium chloride is a white, crystalline substance in the form of flake, granule or powder.Depending on the crystallized water contents, it can be dehydrate or anhydrous.Liquid calcium chloride is a colourless liquid.olid calcium chloride is a white, crystalline substance in the form of flake, granule or powder. Depending on the crystallized water contents, it can be dehydrate or anhydrous. Liquid calcium chloride is a colourless liquid.
Why is calcium oxide CaO but calcium chloride is CaCl2? in calcium chloride each calcium atom needs to lose two electrons but each chlorine atom needs to gain only one electron. This means that two chlorine atoms react with every o â¦ ne calcium atom to form calcium chloride. So the formula for calcium chloride is CaCl2. ca = proton number is 20 so the structure would be 2, 8 ,8 ,2 cl = proton number is 17 so the structure would be 2 , 8,7 To make it stable calcium has to lose 2 electrons and chlorine has to gain an electron.