Use the statements about ionic formulas to answer the question.
1. substances with the same crystal lattice structure will have the same ionic formula.
2. an ionic formula shows a simple ratio of number of cations to number of anions.
3. the net charge of a formula unit in an ionic formula always equals zero.
4. in an ionic formula, the cation is always written first.
the true statements are
select one:
a. 1, 2, and 3
b. 1, 2, and 4
c. 1, 3, and 4
d. 2, 3, and 4