Question 1

Which of the following compounds is most likely to be ionic based on its formula?

Accepted Answer

NaCl

Question 2

Which of the following best describes the bonding in magnesium oxide (MgO)?

Accepted Answer

Ionic bonding between a metal and a nonmetal

Question 3

Classify the substance O\_2 according to its composition.

Accepted Answer

Molecular element

Question 4

Which of the following is a molecular compound?

Accepted Answer

NH\_3

Question 5

What is the correct name for the compound FeCl\_3?

Accepted Answer

Iron(III) chloride

Question 6

Which of the following formulas represents an ionic compound containing a polyatomic ion?

Accepted Answer

NaNO\_3

Question 7

Given the name calcium phosphate, what is the correct chemical formula?

Accepted Answer

Ca\_3(PO\_4)\_2

Question 8

Which of the following is an atomic element?

Accepted Answer

Na

Question 9

Which of the following best explains why NaCl conducts electricity when dissolved in water but not as a solid?

Accepted Answer

Ions are free to move in solution, allowing electrical conductivity

Question 10

What is the correct name for the compound K\_2SO\_4?

Accepted Answer

Potassium sulfate

Question 11

Which of the following is a property typical of molecular compounds?

Accepted Answer

Low melting point

Question 12

Classify the substance Na\_2O as one of the following:

Accepted Answer

Ionic compound

Question 13

Which of the following is the correct formula for ammonium sulfate?

Accepted Answer

(NH\_4)\_2SO\_4

Question 14

Which of the following best describes the bonding in Cl\_2?

Accepted Answer

Covalent bonding

Question 15

What is the correct name for the compound CuSO\_4?

Accepted Answer

Copper(II) sulfate

Question 16

Which of the following is a molecular element?

Accepted Answer

N\_2

Question 17

Given the name sodium carbonate, what is the correct chemical formula?

Accepted Answer

Na\_2CO\_3

Question 18

Which of the following is NOT a property of ionic compounds?

Accepted Answer

Forms molecules with shared electrons

Question 19

Which of the following best describes the composition of CO\_2?

Accepted Answer

Molecular compound

Question 20

What is the correct formula for the compound named aluminum nitrate?

Accepted Answer

Al(NO\_3)\_3

Classification and Naming of Compounds: Ionic vs. Molecular

Study Guide - Practice Questions