Question 1

Which of the following is classified as a molecular compound?

Accepted Answer

C6H12O6

Question 2

What is the correct formula for a compound formed between potassium ions ($K^+$) and nitride ions ($N^{3-}$)?

Accepted Answer

$K_3N$

Question 3

Which of the following is the empirical formula for benzene ($C_6H_6$)?

Accepted Answer

$CH$

Question 4

What is the name of the compound $Fe(NO_3)_3$?

Accepted Answer

Iron(III) nitrate

Question 5

Which of the following is a correct name for $N_2O_5$?

Accepted Answer

Dinitrogen pentoxide

Question 6

Calculate the formula mass of $CCl_4$ using the following atomic masses: C = 12.01 amu, Cl = 35.45 amu.

Accepted Answer

$154.81$ amu

Question 7

Which of the following compounds contains a polyatomic ion?

Accepted Answer

MgSO_4

Question 8

What is the correct name for $Cu(NO_3)_2$?

Accepted Answer

Copper(II) nitrate

Question 9

Which of the following is the correct formula for magnesium sulfate heptahydrate?

Accepted Answer

$MgSO_4 \cdot 7H_2O$

Question 10

What is the correct name for $NiCl_2 \cdot 6H_2O$?

Accepted Answer

Nickel(II) chloride hexahydrate

Question 11

Which of the following is a binary acid?

Accepted Answer

HCl(aq)

Question 12

What is the correct name for $H_2SO_3(aq)$?

Accepted Answer

Sulfurous acid

Question 13

Which of the following is the correct formula for calcium chloride?

Accepted Answer

$CaCl_2$

Question 14

What is the correct name for $NH_4Cl$?

Accepted Answer

Ammonium chloride

Question 15

Which of the following is a molecular element?

Accepted Answer

Cl_2

Question 16

What is the correct name for $P_2O_5$?

Accepted Answer

Diphosphorus pentoxide

Question 17

Which of the following is the correct formula for iron(III) phosphate?

Accepted Answer

$FePO_4$

Question 18

What is the correct name for $Al_2(SO_4)_3$?

Accepted Answer

Aluminum sulfate

Question 19

Which of the following is the correct formula for dinitrogen tetroxide?

Accepted Answer

$N_2O_4$

Question 20

Which of the following is the correct name for $HClO_2(aq)$?

Accepted Answer

Chlorous acid

Molecules and Compounds: Classification, Representation, and Nomenclature

Study Guide - Practice Questions