Question 1

Which of the following is the correct chemical formula for magnesium chloride?

Accepted Answer

$$\mathrm{$$MgCl_2$$}$$

Question 2

What is the correct name for the compound with the formula $$\mathrm{Al_2S_3}$$?

Accepted Answer

Aluminum sulfide

Question 3

Which of the following compounds is a molecular (covalent) compound?

Accepted Answer

Dichlorine monoxide ($$\mathrm{Cl_2O})$$

Question 4

What is the correct formula for ammonium carbonate?

Accepted Answer

$$\mathrm{(NH_4$)_2CO_3}$$

Question 5

Which of the following is the correct name for $$\mathrm{$$FeF_3$$}$$?

Accepted Answer

Iron (III) fluoride

Question 6

A patient is prescribed a medication containing calcium carbonate. What is the correct formula for this compound?

Accepted Answer

$$\mathrm{$$CaCO_3$$}$$

Question 7

Which of the following is the correct formula for gold (I) oxide?

Accepted Answer

$$\mathrm{Au_2O}$$

Question 8

What is the correct name for $$\mathrm{Li_2SO_4}$$?

Accepted Answer

Lithium sulfate

Question 9

Which of the following is a polyatomic ion?

Accepted Answer

Nitrate ($$\mathrm{NO_3$^-})$$

Question 10

A fertilizer contains ammonium nitrate. What is the formula for ammonium nitrate?

Accepted Answer

$$\mathrm{NH_4NO_3}$$

Question 11

Which of the following best describes the bonding in $$\mathrm{$$CaSO_4$$} ($$plaster cast)?

Accepted Answer

Ionic bonding between $$\mathrm{Ca$$^{2+}$$}$$ and $$\mathrm{SO_4$^{2-}}$$

Question 12

Which of the following is the correct formula for magnesium nitrate?

Accepted Answer

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

Question 13

Which of the following ions is present in both ammonium carbonate and ammonium nitrate?

Accepted Answer

Ammonium ion ($$\mathrm{NH_4$^+})$$

Question 14

Which of the following is the correct formula for magnesium phosphate?

Accepted Answer

$$\mathrm{Mg_3$(PO_4$)_2}$$

Question 15

Which of the following is the correct name for $$\mathrm{$$CuCl_2$$}$$?

Accepted Answer

Copper (II) chloride

Question 16

A patient with a broken bone receives a plaster cast made of $$\mathrm{$$CaSO_4$$}. $$Which ions are present in this compound?

Accepted Answer

$$\mathrm{Ca$$^{2+}$$}$$ and $$\mathrm{SO_4$^{2-}}$$

Question 17

Which of the following is the correct formula for dihydrogen sulfide?

Accepted Answer

$$\mathrm{H_2S}$$

Question 18

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

Accepted Answer

$$\mathrm{Na_2SO_4}$$

Question 19

Which of the following best describes the bonding in $$\mathrm{NH_4NO_3} ($$ammonium nitrate)?

Accepted Answer

Ionic bonding between $$\mathrm{NH_4$^+}$$ and $$\mathrm{NO_3$^-}$$

Ionic and Molecular Compounds: Naming, Formulas, and Polyatomic Ions

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