Ionic Compounds and Perchlorate Ions

This video tutorial explains how to write the chemical formula for Iron III Perchlorate. It begins by identifying the element symbol for iron and understanding the charge of the transition metal. The video then discusses the perchlorate ion and how to balance the charges to achieve a net charge of zero, resulting in the correct formula: Fe(ClO4)3. The tutorial concludes with a summary of the process.

What does the Roman numeral III indicate in Iron III Perchlorate?

• The atomic number of iron

• The charge of the iron ion

• The number of perchlorate ions

• The number of iron atoms

Which of the following is true about the perchlorate ion?

• It is found on the periodic table

• It has a charge of 2-

• It is represented as ClO4-

• It is a metal ion

Why is it necessary to balance the charges in an ionic compound?

• To ensure the compound is stable

• To change the compound's color

• To make the compound soluble in water

• To increase the compound's reactivity

What is the net charge of a correctly balanced ionic compound?

• Positive

• Depends on the compound

• Negative

• Zero

How many perchlorate ions are needed to balance the charge of one iron ion in Iron III Perchlorate?

• Three

• Two

• Four

• One

What is the correct formula for Iron III Perchlorate?

• Fe(ClO4)3

• Fe(ClO4)2

• FeClO4

• Fe3(ClO4)

What type of compound is Iron III Perchlorate?

• Ionic

• Covalent

• Molecular

• Metallic