The net charge of the ionic compound is zero. It is composed of one ion of calcium with a positive two charge and two ions of fluorine with a negative one charge on each. The charges cancel out, leaving the compound with no net charge.
The chemical formula for calcium fluoride is CaF2. It is a crystalline solid that is commonly found in a mineral called fluorite or fluorspar. It has a molar mass of 78.07 grams per mole, a boiling point of 4,591 degrees Fahrenheit and a melting point of 2,584 degrees Fahrenheit. It is used in the production of hydrogen fluoride.