Chapter Test / Mock Test

Question 1

____ is anything that occupies space and has mass.

Answer 1

Matter

Question 2

Molecules are made up of particles called ____.

Answer 2

Atoms

Question 3

Positively charged particles within the nucleus of an atom are called ___.

Answer 3

Protons

Question 4

Electrons inhabit regions of the atoms called _____ levels.

Answer 4

Energy

Question 5

Substances with molecules having more than one kind of atom are called ______.

Answer 5

Compounds

Question 6

A(n) _______ chemical bond occurs when atoms share electrons.

Answer 6

Ionic

Question 7

The symbol k+ represents the potassium ___.

Answer 7

Ion

Question 8

A compound that dissociates in water form ions is called a (n) ________.

Answer 8

Electrolytes

Question 9

Molecules that have a carbon-carbon bond in them are classified as _____ .

Answer 9

Covalent

Question 10

In salt water, salt is the solute and water is the ______.

Answer 10

Solvent

Question 11

When water is used to build up small molecules into larger molecules, the process is called _________ ________.

Answer 11

Dehydration Synthesis

Question 12

_____ are solutions that have an excess of hydrogen ions.

Answer 12

Acids

Question 13

Blood contains chemicals called _______ that maintain a stable pH .

Answer 13

Buffers

Question 14

The bonding properties of an element are primarily determined by the :

Answer 14

Electrons

Question 15

A molecule with an abundance of this functional group would readily dissolve in water :

Answer 15

Hydroxyl

Question 16

A chemical capable of neutralizing an acid or a base is called a :

Answer 16

Buffer

Question 17

pH is the measure of the ______ ____ concentration of a solution .

Answer 17

Hydrogen Ion

Question 18

Which is a monosaccharide or simple sugar :

Answer 18

Glucose

Question 19

Human muscles store sugars in the form of :

Answer 19

Glycogen

Question 20

Which of these lipids act as chemical messengers in the body :

Answer 20

Sterols

Question 21

Which essential nutrients are converted into proteins in humans?

Answer 21

Amino Acids

Question 22

Proteins that carry out chemical work for the body are called ?

Answer 22

Enzymes

Question 23

Monomers of nucleic acids are essential for the following role :

Answer 23

Energy Transfer

Question 24

Which of the following is not a common cause of molecular aging :

Answer 24

Antioxidants