Characterize EACH of the Three Given Statements as Being TRUE

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) All ionic compounds that contain metal ions have names that contain Roman numerals.
(2) Ionic compounds tend to have high melting points and tend to be good conductors of electricity when in the molten state.
(3) Three ions are present in one formula unit of a compound that contains Na⁺ and O^2- ions.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.