Identifying Polyatomic Ionic Compounds from Empirical Formulas Quiz

Test your knowledge on polyatomic ionic compounds with these empirical formula-based questions in this Inorganic Chemistry quiz.

#1

Which of the following is a polyatomic ionic compound?

NaCl
MgO
NH4NO3
CaCl2
#2

Identify the polyatomic ionic compound: Magnesium hydroxide

MgOH
Mg(OH)2
Mg2(OH)3
Mg(OH)3
#3

What is the empirical formula for ammonium sulfate?

NH4SO4
NH3
N2SO4
NH4S2O4
#4

Which of the following compounds is polyatomic?

Na2CO3
KCl
LiF
NH4OH
#5

What is the empirical formula for potassium permanganate?

KMn
K2MnO4
K2MnO3
K2Mn2O7
#6

Identify the polyatomic ionic compound: Sodium carbonate

NaCO
Na2CO3
Na2CO
Na2(CO)3
#7

What is the empirical formula for ammonium phosphate?

NH4PO4
N2H3PO4
NH4P2O3
NH3PO4
#8

What is the empirical formula of calcium nitrate?

CaNO3
Ca(NO3)2
Ca2NO3
Ca(NO2)3
#9

Identify the polyatomic ionic compound: Aluminum hydroxide

Al(OH)3
AlOH
Al(OH)2
Al2(OH)3
#10

What is the empirical formula of magnesium phosphate?

MgPO3
Mg3(PO4)2
Mg2PO4
Mg(PO4)3
#11

Identify the polyatomic ionic compound: Calcium carbonate

Ca(CO3)
Ca2(CO3)
CaCO3
Ca2CO3
#12

What is the empirical formula of aluminum sulfate?

AlSO4
Al2(SO4)3
Al2(SO3)3
Al2SO4

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