Polyatomic Ions

Polyatomic Ions

Open Ended

What do all or most of the polyatomic ions have in common?

Multiple Choice

Which of these is a polyatomic ion?

• N^-3

• O^-2

• OH^-

• Cl^-

Multiple Choice

Which of the following ionic formulas contains a polyatomic ion?

• MgBr₂

• KCN

• KI

• Li₂S

Multiple Choice

So when do you use parentheses?

• When you are multiplying something

• when there are multiple polyatomic ions

The end... Go back to schoology to find your practice worksheet