Question 1

Which of the following best describes the difference between a binary ionic compound and a binary molecular compound?

Accepted Answer

A binary ionic compound contains a metal and a nonmetal, while a binary molecular compound contains two nonmetals.

Question 2

What is the correct formula for iron(III) oxide, a compound found in the mineral hematite?

Accepted Answer

$$\mathrm{Fe_2O_3}$$

Question 3

Which of the following ions is a polyatomic cation?

Accepted Answer

$$\mathrm{NH_4$^+}$$

Question 4

What is the systematic name for $$\mathrm{$$SnF_2$$}$$ using the Stock system?

Accepted Answer

tin(II) fluoride

Question 5

Which of the following is the correct formula for calcium phosphate, a major component of tooth enamel?

Accepted Answer

$$\mathrm{Ca_3$(PO_4$)_2}$$

Question 6

Which of the following acids is named using the prefix 'hydro-'?

Accepted Answer

$$\mathrm{HBr(aq)}$$

Question 7

What is the correct name for $$\mathrm{H_2SO_3(aq)}$$?

Accepted Answer

sulfurous acid

Question 8

A compound contains the ions $$\mathrm{Fe$$^{3+}$$}$$ and $$\mathrm{PO_4$^{3-}}. $$What is the correct formula for this compound?

Accepted Answer

$$\mathrm{$$FePO_4$$}$$

Question 9

Which of the following is a binary acid?

Accepted Answer

$$\mathrm{HCl(aq)}$$

Question 10

What is the correct name for $$\mathrm{$$KNO_3$$}$$, a compound commonly used in fertilizers?

Accepted Answer

potassium nitrate

Question 11

Which of the following formulas represents a binary molecular compound?

Accepted Answer

$$\mathrm{SO_2$}$$

Question 12

What is the correct formula for copper(II) nitrite?

Accepted Answer

$$\mathrm{Cu(NO_2$)_2}$$

Question 13

Which of the following is the correct name for $$\mathrm{Cl_2O_5}$$?

Accepted Answer

dichlorine pentaoxide

Question 14

A compound is composed of $$\mathrm{NH_4$^+}$$ and $$\mathrm{SO_4$^{2-}}. $$What is the correct formula for this compound?

Accepted Answer

$$\mathrm{(NH_4$)_2SO_4}$$

Question 15

Which of the following is the correct name for $$\mathrm{$$HClO_4$$}$$?

Accepted Answer

perchloric acid

Question 16

What is the charge on the metal in $$\mathrm{Cr_2O_3}$$?

Accepted Answer

$$+3$$

Question 17

Which of the following is a polyatomic anion with a $$-2$$ charge?

Accepted Answer

$$\mathrm{SO_4$^{2-}}$$

Question 18

What is the correct formula for tin(IV) permanganate?

Accepted Answer

$$\mathrm{Sn($$MnO_4$$)_4}$$

Question 19

Which of the following is the correct name for $$\mathrm{H_3PO_3(aq)}$$?

Accepted Answer

phosphorous acid

Question 20

Which of the following compounds is named using Greek prefixes to indicate the number of atoms?

Accepted Answer

$$\mathrm{P_2O_3}$$

The Language of Chemistry: Classification and Nomenclature of Inorganic Compounds

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