Naming and Properties of Ionic Compounds

The video tutorial explains how to name the compound Fe2(SO4)3. It begins by identifying the sulfate ion (SO4) as a polyatomic ion and discusses its bonding with iron, a transition metal. The tutorial then outlines the process of naming the metal and the polyatomic ion, resulting in the name 'iron sulfate.' It further explains the need to determine the charge of iron due to its transition metal status, calculating it to be 3+. This leads to the final name 'Iron(III) Sulfate,' with a detailed explanation of charge balancing to achieve a net charge of zero.

What is the polyatomic ion present in Fe2(SO4)3?

• Nitrate

• Carbonate

• Sulfate

• Phosphate

What type of compound is Fe2(SO4)3?

• Molecular

• Metallic

• Ionic

• Covalent

What is the charge of the sulfate ion in Fe2(SO4)3?

• 1-

• 4-

• 2-

• 3-

How many sulfate ions are present in Fe2(SO4)3?

• 4

• 3

• 2

• 1

What is the charge on each iron atom in Fe2(SO4)3?

• 4+

• 1+

• 2+

• 3+

How is the charge of iron represented in the name of Fe2(SO4)3?

• Using chemical symbols

• Using Arabic numerals

• Using Roman numerals

• Using Greek letters

What is the correct name for Fe2(SO4)3?

• Iron(II) Sulfate

• Iron(V) Sulfate

• Iron(III) Sulfate

• Iron(IV) Sulfate

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

• To ensure a net charge of zero

• To make it more reactive

• To increase its solubility

• To change its color

How many iron atoms are needed to balance the charge with three sulfate ions in Fe2(SO4)3?

• 4

• 3

• 2

• 1