Question 1

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

Accepted Answer

$$\mathrm{N_2O_5}$$

Question 2

What is the correct name for the compound $$\mathrm{P_4O_{10}}$$?

Accepted Answer

Tetraphosphorus decaoxide

Question 3

Which of the following is the correct formula for sulfur hexafluoride?

Accepted Answer

$$\mathrm{SF_6$}$$

Question 4

What is the correct name for the compound $$\mathrm{N_2S_4}$$?

Accepted Answer

Dinitrogen tetrasulfide

Question 5

Which of the following is the correct formula for dibromine heptoxide?

Accepted Answer

$$\mathrm{Br_2O_7}$$

Question 6

What is the correct name for the compound $$\mathrm{IO_5$}$$?

Accepted Answer

Iodine pentoxide

Question 7

Which of the following is the correct formula for tetraphosphorus pentaselenide?

Accepted Answer

$$\mathrm{P_4Se_5}$$

Question 8

What is the correct name for the compound $$\mathrm{$$SeF_6$$}$$?

Accepted Answer

Selenium hexafluoride

Question 9

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

Accepted Answer

$$\mathrm{$$CCl_4$$}$$

Question 10

What is the correct name for the compound $$\mathrm{NO_2$}$$?

Accepted Answer

Nitrogen dioxide

Question 11

A patient is exposed to $$\mathrm{CO} in a $$poorly ventilated room. What is the correct name for this compound, and why is it dangerous?

Accepted Answer

Carbon monoxide; it binds to hemoglobin and prevents oxygen transport.

Question 12

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

Accepted Answer

$$\mathrm{N_2O_3}$$

Question 13

What is the correct name for the compound $$\mathrm{Cl_2O_7}$$?

Accepted Answer

Dichlorine heptoxide

Question 14

Which of the following is the correct formula for phosphorus trichloride?

Accepted Answer

$$\mathrm{$$PCl_3$$}$$

Question 15

What is the correct name for the compound $$\mathrm{SO_2$}$$, which is a major air pollutant produced by burning coal?

Accepted Answer

Sulfur dioxide

Question 16

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

Accepted Answer

$$\mathrm{NF_3$}$$

Question 17

A chemist needs to synthesize a compound with the formula $$\mathrm{P_2O_5}. $$What is the correct name for this compound?

Accepted Answer

Diphosphorus pentoxide

Question 18

Which of the following is the correct formula for trisilicon tetranitride?

Accepted Answer

$$\mathrm{Si_3N_4}$$

Question 19

What is the correct name for the compound $$\mathrm{CO_2$}$$, which is a major greenhouse gas?

Accepted Answer

Carbon dioxide

Question 20

Which of the following is the correct formula for dihydrogen monoxide, commonly known as water?

Accepted Answer

$$\mathrm{H_2O}$$

Binary Molecular Compounds: Naming and Numerical Prefixes

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