Exploring Polyatomic Ions and Their Examples

The video introduces polyatomic ions, explaining their structure and how they differ from monatomic ions. It provides examples of polyatomic ions, such as sulfate, nitrate, and phosphate, and explains their naming conventions. The video also discusses variations in polyatomic ions and how their names change with different oxygen counts. It concludes with a note on the abundance of polyatomic ions and suggests using reference tables for further study.

What is the charge of a sodium ion after it loses an electron?

• +2

• -1

• -2

• +1

Which of the following is a monatomic ion?

• SO4

• NO3

• Na+

• PO4

What is the charge of the polyatomic ion SO4?

• +1

• -2

• +2

• -1

Which of the following is the correct formula for a polyatomic ion with a nitrogen atom surrounded by three oxygen atoms?

• NH4

• NO2

• PO4

• NO3

What is the name of the polyatomic ion with the formula SO4?

• Sulfur

• Sulfite

• Sulfate

• Sulfide

How do you name a polyatomic ion that contains nitrogen and has one less oxygen than nitrate?

• Nitroxide

• Nitride

• Nitrogen

• Nitrite

What is the name of the polyatomic ion PO3?

• Phosphate

• Phosphite

• Phosphide

• Phosphine

Which of the following endings is commonly used for polyatomic ions?

• ide

• one

• ate

• ine

How many polyatomic ions are typically listed in a reference table provided by chemistry teachers?

• About 6

• About 50

• About 10

• About 20

Where can you find a table of polyatomic ions if your teacher does not provide one?

• Library

• Class notes

• Textbook

• Google search