Question

Which of the following is the best name for CaF2?

calcium fluoride
monocalcium difluoride
calcium difluoride
calcium fluorine

Answer 1

Calcium Flouride. It's an ionic bond. Cation + anion with the suffix -ide

Answer 2

Answer : The correct option is Calcium difluoride.

Explanation :

Naming of ionic compound :

• Name the cation first and then anion.

• Name the anion by using suffix (-ide).

• The net charge in the ionic compound must be zero.

As compound contains one calcium atom and 2 fluorine atoms.

Therefore, the name of ionic compound
`CaF_2` is Calcium difluoride.