2.11 Chemical Formulas and Names

They are the same

The cation name (metal, + ion) is the same while the anion name (nonmetal, - ion) has an -ide ending

The cation name (metal, + ion) has an -ide ending while the anion name (nonmetal, - ion) is the same

8, 8, 1:1

9, 9, 1:1

8, 16, 1:2

9, 18, 1:2

5, 5, 1:1

10, 10, 1:1

5, 10, 1:2

10, 5, 2:1

4, 4, 1:1

4, 8, 1:2

4, 6, 2:3

6, 4, 3:2

The ratio of ions is greater than the subscripts in the chemical formula.

The ratio of ions is less than the subscripts in the chemical formula

The ratio of ions is the same as the subscripts in the chemical formula

+1, -1

+2, -1

+2, -2

+3, -2

+1, -1

+1, -2

+2, -1

+2, -2

+2, -2

+2, -3

+3, -2

+3, -3

When you add up the charges for all the positive and negative ions you get a net (total) charge of +9.

When you add up the charges for all the positive and negative ions you get a net (total) charge of -9.

When you add up the charges for all the positive and negative ions you get a net (total) charge of zero.

When you add up the charges for all the positive and negative ions you get a net (total) charge of +10.

When you add up the charges for all the positive and negative ions you get a net (total) charge of -10.

When you add up the charges for all the positive and negative ions you get a net (total) charge of zero.

When you add up the charges for all the positive and negative ions you get a net (total) charge of +12.

When you add up the charges for all the positive and negative ions you get a net (total) charge of -12.

When you add up the charges for all the positive and negative ions you get a net (total) charge of zero.

It is the same as the ratio of ions.

It is the same as the subscripts in the chemical formula

it is always equal to a net charge of zero.

Barium Iodide, BaI₂

Barium Iodine, BaI₂

Barium Iodide, Ba₂I

Barium Iodine, Ba₂I