Naming and Writing Ionic and Covalent Compounds

What is the total number of atoms in the chemical formula shown below?
Al₂(SO₄)₃

• 17
• 15
• 10
• 5

What is the formula for manganese(III) oxide?

• MgO
• Mg₂O₃
• MnO
• Mn₂O₃

What is the compound formula for the ions Mn⁺² and Br^- ?

• MnBr₂

• manganese bromide

• MnBr

What is the compound formula for the ions K⁺ and S^-2 ?

• potassium sulfide

• KS

• K₂S

Select the name of the following material: HF

• Hydrofluoric acid

• Fluorous acid

• Fluoric acid

• Hydrogen Fluoride

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

Na₂S

• Disodium sulfide

  Disodium sulfide
  

• Sodium sulfide
• Sodium monosulfide

What is the proper IUPAC name of the compound P₃O₅?

• Triphosphorus pentoxide

• Phosphorus pentoxide

• Triphosphorus oxide

• Phosphorus oxide

When naming compounds that contain a nonmetal bonded to a nonmetal, _____ must be used.

• Parentheses

• Greek prefixes

• Roman Numerals

• Lewis structures

What is the compound formula for the ions Na⁺ and Cl^- ?

• Na₂Cl₄

• NaCl

• sodium chloride