Ionic Formulas Quiz

How many NO₃ polyatomic ions are in 
Mg(NO₃)₂

• 1
• 2
• 3
• 6

How many NH₄ polyatomic ions are in 
(NH₄)₃PO₄

• 1
• 4
• 3
• 12

What is the formula for Lead II Phosphate?

• Pb₃(PO₃)₂
• Pb₃(PO₄)₂
• Pb₂PO₄
• Pb₂P

What is the formula for Copper II Sulfide?

• CuS
• Cu₂S
• CuS₂
• CuSO₃

In a chemical formula, the total positive charge and negative charge must add up to equal _____.

• 0

• 1

• 2

• 3

When writing the chemical formula of a compound that contains more than one of a particular polyatomic ion, _____ must be used.

• ionic charges

• parenthesis

• Greek prefixes

• lower case letters.

When writing chemical formulas, the ______ is always written first.

• Nonmetal

• Least electronegative

• negative ion

• positive ion

What is the correct formula for Ammonium phosphate?

• NH₄PO₄

• NH₄₃PO₄

• (NH₄)₃PO₄

• NH₄(PO₄)₃

What is the correct formula for aluminum sulfide?

• Al₃S₂

• Al₂S

• AlS₂

• Al₂S₃

What is the correct chemical formula for strontium acetate?

• SrC₂H₃O₂

• Sr₂C₂H₃O₂

• Sr(C₂H₃O₂)₂

• Sr(C₂H₃O₂)₃