Mastering Ionic Formulas and Naming Conventions

This video tutorial explains how to name binary ionic compounds, balance charges to form neutral compounds, and use the drop and switch method to determine chemical formulas. It also covers naming compounds with polyatomic ions, providing examples and tips for understanding the naming conventions and charge balancing.

What is a binary compound composed of?

• Three elements

• Four elements

• Two elements

• One element

In naming binary ionic compounds, which name comes first?

• Anion

• Cation

• Molecule

• Polyatomic ion

How do you name a binary ionic compound with a metal that has multiple ions?

• Use the metal's name followed by the anion

• Use the metal's name followed by a Roman numeral and then the anion

• Use the anion's name followed by the metal

• Use the anion's name followed by a Roman numeral and then the metal

What is the charge of the oxide ion?

• 1-

• 2+

• 1+

• 2-

What is the overall charge of a binary ionic compound?

• Positive

• Negative

• Neutral

• Depends on the elements

What is the formula for a compound formed by iron (III) and oxygen?

• FeO

• Fe3O2

• FeO2

• Fe2O3

What is the 'drop and switch' method used for?

• Determining the formula of ionic compounds

• Identifying polyatomic ions

• Naming compounds

• Balancing equations

What is the simplified formula for calcium and sulfur using the drop and switch method?

• Ca2S2

• CaS

• CaS2

• Ca2S

What is a polyatomic ion?

• An ion made of more than two elements

• An ion made of two elements

• An ion made of a single element

• An ion with no charge

How do you name a compound with a polyatomic ion?

• Start with the cation and then the polyatomic anion

• Start with the polyatomic anion and then the cation

• Start with the cation and then the anion

• Start with the anion and then the cation