In ONE formula unit of #CaF_2#, how many individual ions are there?

1 Answer
Mar 1, 2016

In one formula unit of #CaF_2#, there are 3 ions, one cation, and 2 anions.

Explanation:

#CaF_2# is the result of ionic bonds between #Ca^(2+)# and #2xxF^-#. Electrical neutrality demands this stoichiometry. The resultant fluorite structure is exceptionally strong.