The formula of the ionic compound that would be formed when calcium and fluorine react is: A)CaF B)Ca₂F C)CaF₂ D)F₂Ca E)FCa

Question

Quizplus · Accepted Answer

Calcium and fluorine form an ionic compound with a 1:2 ratio of calcium ions to fluoride ions. The correct formula would need to reflect this, and CaF2 fits that requirement. Option C is the closest to this correct formula, with Ca followed by F and a subscript of 2 to indicate the 1:2 ratio.

The Formula of the Ionic Compound That Would Be Formed