Practice Problem: Naming Ionic Compounds

The video tutorial covers the process of naming ionic compounds by providing molecular formulas from given names and vice versa. It explains the charges of ions, the formation of neutral compounds, and the use of Roman numerals for transition metals. Examples include aluminum oxide, potassium sulfate, iron 3 sulfide, magnesium nitride, manganese phosphate, and iron 2 chloride.

What is the main task when given the name of an ionic compound?

• To find its melting point

• To determine its molecular formula

• To calculate its density

• To identify its color

What is the charge of an aluminum ion in aluminum oxide?

• Al 1+

• Al 3+

• Al 4+

• Al 2+

What is the correct molecular formula for aluminum oxide?

• AlO

• AlO2

• Al2O3

• Al3O2

What is the charge of a sulfate ion?

• SO4 4-

• SO4 1-

• SO4 2-

• SO4 3-

What is the molecular formula for iron(III) sulfide?

• FeS2

• FeS

• Fe2S3

• Fe3S2

What is the name of the compound with the formula Mg3N2?

• Magnesium nitride

• Magnesium nitrate

• Magnesium nitroxide

• Magnesium nitrite

What is the correct name for FeCl2?

• Iron(III) chloride

• Iron(II) chloride

• Iron chloride

• Iron dichloride