Question 1

Which of the following is the correct name for the compound $$\mathrm{$$MgBr_2$$}$$, which is commonly used as a fire retardant in plastics?

Accepted Answer

Magnesium bromide

Question 2

What is the correct formula for iron(III) oxide, a compound used as a pigment in paints?

Accepted Answer

$$\mathrm{Fe_2O_3}$$

Question 3

Which of the following correctly describes the naming convention for an ionic compound containing a transition metal with variable charge?

Accepted Answer

The metal name is followed by a Roman numeral indicating its charge, then the nonmetal name ending in -ide.

Question 4

What is the correct formula for aluminum sulfate, a compound used in water purification?

Accepted Answer

$$\mathrm{Al_2$(SO_4$)_3}$$

Question 5

Which of the following is the correct name for $$\mathrm{$$FeCl_2$$}$$, a compound sometimes used as a dietary supplement?

Accepted Answer

Iron(II) chloride

Question 6

A compound is named tin(IV) hydroxide. What is its correct chemical formula?

Accepted Answer

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

Question 7

Which of the following is the correct name for $$\mathrm{Na_2SO_3}$$, a compound used as a food preservative?

Accepted Answer

Sodium sulfite

Question 8

What is the correct formula for copper(II) nitrate, a compound used in the production of other copper salts?

Accepted Answer

$$\mathrm{Cu(NO_3$)_2}$$

Question 9

Which of the following is the correct name for $$\mathrm{Pb_3$(PO_4$)_2}$$, a compound historically used in paints?

Accepted Answer

Lead(II) phosphate

Question 10

A compound is named magnesium nitrate. What is its correct chemical formula?

Accepted Answer

$$\mathrm{Mg(NO_3$)_2}$$

Question 11

Which of the following is the correct name for $$\mathrm{K_2O}$$, a compound used in fertilizers?

Accepted Answer

Potassium oxide

Question 12

What is the correct formula for sodium phosphate, a compound used in detergents?

Accepted Answer

$$\mathrm{Na_3PO_4}$$

Question 13

Which of the following is the correct name for $$\mathrm{Al($$HCO_3$$)_3}$$, a compound used as an antacid?

Accepted Answer

Aluminum bicarbonate

Question 14

A compound is named iron(III) hydroxide. What is its correct chemical formula?

Accepted Answer

$$\mathrm{Fe(OH)_3}$$

Question 15

Which of the following is the correct name for $$\mathrm{$$MgSO_4$$}$$, a compound used as Epsom salt?

Accepted Answer

Magnesium sulfate

Question 16

What is the correct formula for nickel(II) sulfide, a compound used in nickel extraction?

Accepted Answer

$$\mathrm{NiS}$$

Question 17

Which of the following is the correct name for $$\mathrm{$$SnO_2$$}$$, a compound used in ceramics and as a polishing agent?

Accepted Answer

Tin(IV) oxide

Question 18

A compound is named lead(IV) sulfide. What is its correct chemical formula?

Accepted Answer

$$\mathrm{$$PbS_2$$}$$

Question 19

Which of the following is the correct name for $$\mathrm{$$NaClO_2$$}$$, a compound used as a disinfectant in mouthwashes?

Accepted Answer

Sodium chlorite

Question 20

What is the correct formula for zinc chloride, a compound used in dry cell batteries?

Accepted Answer

$$\mathrm{$$ZnCl_2$$}$$

Naming and Writing Ionic Formulas: Simple, Variable Charge, and Polyatomic Ions

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