Question 1

Which of the following best explains why water (H$$_2O) $$has properties that are very different from its constituent elements, hydrogen and oxygen?

Accepted Answer

Chemical bonding between hydrogen and oxygen atoms creates new properties in water that are distinct from those of hydrogen and oxygen.

Question 2

Which of the following is the correct empirical formula for a compound containing 2 carbon atoms, 2 hydrogen atoms, and 4 oxygen atoms?

Accepted Answer

$$\mathrm{$$CHO_2$$}$$

Question 3

Which of the following compounds is an example of a molecular element?

Accepted Answer

$$\mathrm{O_2$}$$

Question 4

What is the correct name for the compound $$\mathrm{Fe_2$(SO_4$)_3}$$?

Accepted Answer

Iron(III) sulfate

Question 5

Which of the following best describes the bonding in sodium chloride ($$\mathrm{NaCl}$$)?

Accepted Answer

Ionic bonds between sodium cations and chloride anions

Question 6

What is the correct formula for aluminum sulfate?

Accepted Answer

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

Question 7

Which of the following is the correct name for $$\mathrm{N_2O_4}$$?

Accepted Answer

Dinitrogen tetroxide

Question 8

A hydrate is best described as:

Accepted Answer

A compound that contains water molecules within its crystal structure.

Question 9

What is the correct name for $$\mathrm{Cu(NO_3$)_2}$$?

Accepted Answer

Copper(II) nitrate

Question 10

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

Accepted Answer

$$\mathrm{SF_6$}$$

Question 11

Which of the following is the correct name for $$\mathrm{H_2SO_3(aq)}$$?

Accepted Answer

Sulfurous acid

Question 12

What is the correct formula for the compound formed between potassium ions and nitride ions?

Accepted Answer

$$\mathrm{K_3N}$$

Question 13

Which of the following is a property of water that is different from both hydrogen and oxygen?

Accepted Answer

Water is used to extinguish flames.

Question 14

Which of the following is the correct name for $$\mathrm{NH_4Cl}$$?

Accepted Answer

Ammonium chloride

Question 15

What is the correct formula for chromium(II) hydrogen carbonate?

Accepted Answer

$$\mathrm{Cr($$HCO_3$$)_2}$$

Question 16

Which of the following is the correct name for $$\mathrm{$$HClO_2$$(aq)}$$?

Accepted Answer

Chlorous acid

Question 17

Which of the following best describes the difference between an empirical formula and a molecular formula?

Accepted Answer

An empirical formula shows the simplest whole-number ratio of atoms, while a molecular formula shows the actual number of atoms of each element in a molecule.

Question 18

What is the correct name for $$\mathrm{$$CoCl_2$$ \cdot 6H_2O}$$?

Accepted Answer

Cobalt(II) chloride hexahydrate

Question 19

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

Accepted Answer

$$\mathrm{N_2O_5}$$

Question 20

Which of the following is the correct name for $$\mathrm{$$PbBr_2$$}$$?

Accepted Answer

Lead(II) bromide

Chapter 3: Nomenclature, Elements, and Compounds – General Chemistry Study Notes

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