Question 1

Which of the following is the correct chemical formula for the compound formed when magnesium and chlorine combine?

Accepted Answer

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

Question 2

What type of bond is formed between nitrogen and oxygen atoms?

Accepted Answer

Covalent bond

Question 3

Which of the following is the correct name for the compound $$\mathrm{Na_2S}$$?

Accepted Answer

Sodium sulfide

Question 4

What is the correct formula for the compound formed by lithium and sulfur?

Accepted Answer

$$\mathrm{Li_2S}$$

Question 5

Which of the following is the correct name for $$\mathrm{CO_2$}$$?

Accepted Answer

Carbon dioxide

Question 6

What is the correct formula for the compound formed when magnesium and phosphorus combine?

Accepted Answer

$$\mathrm{Mg_3P_2}$$

Question 7

Which of the following is a correct example of a diatomic element?

Accepted Answer

$$\mathrm{H_2$}$$

Question 8

What is the correct name for $$\mathrm{N_2O_5}$$?

Accepted Answer

Dinitrogen pentoxide

Question 9

Which of the following best describes the difference between ionic and covalent bonds?

Accepted Answer

Ionic bonds involve transferring electrons; covalent bonds involve sharing electrons.

Question 10

What is the correct name for $$\mathrm{S_2Br_2}$$?

Accepted Answer

Disulfur dibromide

Question 11

Which of the following is the correct formula for the compound formed by potassium and sulfur?

Accepted Answer

$$\mathrm{K_2S}$$

Question 12

What is the correct molecular compound name for $$\mathrm{N_2H_4}$$?

Accepted Answer

Dinitrogen tetrahydride

Question 13

Which of the following is the correct name for $$\mathrm{$$CCl_4$$}$$?

Accepted Answer

Carbon tetrachloride

Question 14

Which of the following is the correct formula for the compound formed by magnesium and nitrogen?

Accepted Answer

$$\mathrm{Mg_3N_2}$$

Question 15

What is the correct name for $$\mathrm{IF_7$}$$?

Accepted Answer

Iodine heptafluoride

Question 16

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

Accepted Answer

$$\mathrm{N_2O}$$

Question 17

Which of the following is the correct name for $$\mathrm{NH_3$}$$?

Accepted Answer

Nitrogen trihydride

Question 18

Which of the following is the correct formula for carbon monoxide?

Accepted Answer

$$\mathrm{CO}$$

Question 19

Which of the following is the correct name for $$\mathrm{H_2O}$$ using molecular nomenclature?

Accepted Answer

Dihydrogen monoxide

Question 20

Which of the following is the correct formula for nitrogen dioxide?

Accepted Answer

$$\mathrm{NO_2$}$$

Ionic and Molecular Compounds: Structure, Naming, and Examples

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