Unit 8 Review

Which of the following is the correct formula for these two ions: Al⁺³ & S^-2

• AlS₃

• Al₂S₃

• Al₃S₂

• Al₃S

If I had a cation with a charge of ²⁺ how would you describe the formation of that ion?

• gained 2 electrons

• lost 2 electrons

• gained 4 electrons

• lost 4 electrons

If I had an anion with a charge of ^3- how would you describe the formation of that ion?

• gained 2 electrons

• lost 2 electrons

• gained 3 electrons

• lost 3 electrons

Looking at the periodic table, when the alkali metals form an ion what charge do they have?

• 1-

• 1+

• 2-

• 2+

• 3-

Looking at the periodic table, when the alkaline earth metals form an ion what charge do they have?

• 1-

• 1+

• 2-

• 2+

• 3-

Looking at the periodic table, when the halogens form an ion what charge do they have?

• 1-

• 1+

• 2-

• 2+

• 3-

Nitrogen, N, will form which of the following ions?

• N

• N^-3

• N^-5

• N⁺⁵

Which is the correct name for CaBr₂?

• Calcium Bromine

• Bromine Calcium

• Calcium Bromide

• Bromine Chloride

• Calcium Bromate

What is the name for CsBr?

• Cesium Bromide

• Calcium Bromine

• Calcium Bromide

• Cesium Bromine

• Bromine Ceside

Which of the following is the correct formula for Potassium Sulfide

• K₂S

• KS₂

• K₃S

• K₂S₃