Naming Compounds with Polyatomic Ions

The video tutorial covers the naming of compounds with polyatomic ions, following similar rules as binary compounds. It explains how to name cations and anions, including the use of Roman numerals for transition metals. The tutorial provides practice examples, emphasizing the importance of recognizing polyatomic ions and balancing charges in compounds. Advanced examples with transition metals and complex ions are discussed, along with additional practice and tips for mastering the naming process.

What is the first step in naming a compound with polyatomic ions?

• Name the anion first

• Name the cation first

• Identify the number of atoms

• Determine the molecular weight

Which of the following is a correct example of a polyatomic ion?

• Calcium carbonate

• Magnesium oxide

• Sodium chloride

• Ammonium chloride

What is the charge of the ammonium ion?

• 2-

• 1-

• 2+

• 1+

How do you indicate the charge of a transition metal in a compound?

• Using a prefix

• Using a suffix

• Using Greek letters

• Using Roman numerals

What is the formula for silver nitrate when silver has a charge of 1+?

• Ag3(NO3)2

• Ag2(NO3)3

• AgNO3

• Ag(NO3)2

Which of the following compounds contains a polyatomic ion?

• NH4Cl

• H2O

• MgO

• NaCl

What is the correct formula for magnesium carbonate?

• Mg2(CO3)3

• Mg(CO3)2

• Mg2CO3

• MgCO3

How many cyanide ions are needed to balance the charge of one aluminum ion?

• Four

• One

• Two

• Three

What is the charge of the phosphate ion?

• 1-

• 2-

• 3-

• 4-

What is the correct formula for tin(IV) perchlorate?

• Sn(ClO4)2

• Sn(ClO4)4

• Sn(ClO3)4

• SnCl4