Chapter 2 Quiz

Question 1

Which subatomic particle determines the type of element that an atom belongs to?
a. electron
b. neutron
c. proton
d. ion

Answer 1

c. proton

Question 1

Which orbital is a spherical shape and can contain 2 electrons?

Answer 1

the s orbital

Question 2

What atoms carry either a positive or negative charge?

Answer 2

ions

Question 3

What are the solvents and solutes in the following material: A glass of saltwater?

Answer 3

Solvent - Water
Solute - Salt

Question 4

Is glucose a molecule, compound, or both?

Answer 4

It is both because many atoms of many different types are bound together.

Question 5

Carbon-12 and Carbon-14 are which of the following terms?
a. atoms
b. compounds
c. isotopes
d. ions

Answer 5

a. atoms
c. isotopes

Question 6

Avogadro’s number is

Answer 6

6.022 * 10^23 atoms

Question 7

How many protons are present in Oxygen-10

Answer 7

8 protons

Question 8

A substance that is both polar and nonpolar is considered:
a. Hydrophobic
b. Hydrophilic
c. Amphipathic
d. Aqueous

Answer 8

c. Amphipathic

Question 9

The energy required to cause a substance to melt is best described as:
a. Heat of Vaporization
b. Heat of Fusion
c. Specific Heat
d. Melting

Answer 9

b. Heat of Fusion