Question 1

In a chemical equation, what is typically shown on the left side of the equation?

Accepted Answer

Reactant(s)

Question 2

Which of the following is NOT a subatomic particle associated with an atom?

Accepted Answer

Compound

Question 3

An atom with 10 electrons will have how many electrons in its valence (outer) shell?

Accepted Answer

8

Question 4

Polar molecules, such as water, result when electrons are shared:

Accepted Answer

Unequally between atoms

Question 5

Which of the following best describes a synthesis (anabolic) reaction in the body?

Accepted Answer

Amino acids join to form a protein

Question 6

In a 10% salt solution, what role does water play?

Accepted Answer

Solvent

Question 7

Glycogen and starch are examples of which category of carbohydrates?

Accepted Answer

Polysaccharides

Question 8

Unsaturated fatty acid chains contain one or more ________ bonds between carbon atoms.

Accepted Answer

Double

Question 9

Elements are composed of building blocks known as:

Accepted Answer

Atoms

Question 10

An atom of magnesium that has lost two electrons would be known as a(n):

Accepted Answer

Cation

Question 11

Isotopes of an element have different numbers of which subatomic particle?

Accepted Answer

Neutrons

Question 12

Hydrogen bonding between water molecules is responsible for which property?

Accepted Answer

Surface tension

Question 13

Carbon-carbon bonds are classified as which type of bond due to equal sharing of electrons?

Accepted Answer

Nonpolar covalent

Question 14

Atomic number is based on the number of which particles in an atom?

Accepted Answer

Protons

Question 15

Ionic bonds are formed when which particles are completely transferred from one atom to another?

Accepted Answer

Electrons

Question 16

Atomic mass is based on the number of protons plus the number of which particles?

Accepted Answer

Neutrons

Question 17

DNA, RNA, and ATP are types of which macromolecule?

Accepted Answer

Nucleic acids

Question 18

Triglyceride, cholesterol, and estrogen are examples of:

Accepted Answer

Lipids

Question 19

Antibodies, enzymes, and some hormones are examples of:

Accepted Answer

Proteins

Question 20

C$$_6H$_{12}O$_6 is an $$example of which macromolecule?

Accepted Answer

Carbohydrate

Question 21

Which of the following is NOT one of the top four elements of which the human body is composed?

Accepted Answer

Boron

Question 22

Each known element is designated with a one or two letter chemical shorthand known as the:

Accepted Answer

Atomic symbol

Question 23

A homogeneous mixture of gases, liquids, or solids is referred to as a:

Accepted Answer

Solution

Question 24

Which of the following is NOT an electrolyte?

Accepted Answer

Water

Question 25

When acids dissociate in water, they release which ions?

Accepted Answer

Hydrogen ions ($$H^+)$$

Question 26

A patient is diagnosed with a metabolic disorder that affects the breakdown of glycogen. Which category of macromolecule is directly impacted, and what is the primary function of this molecule in the body?

Accepted Answer

Carbohydrates; energy storage and supply

Question 27

A solution is prepared by dissolving 5 grams of NaCl in 95 grams of water. Which equation would you use to calculate the mass percent concentration, and what is the mass percent of NaCl in this solution?

Accepted Answer

Use $$	ext{Mass percent} = \frac{	ext{mass of solute}}{	ext{mass of solution}} 	imes 100$$; mass percent is 5%

Anatomy & Physiology: Chemistry of Life Worksheet Guidance

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