Confidential
, TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
11. Which statement is an example of a chemical change?
a. Confetti is cut from pieces of paper.
b. Water evaporates from a lake.
c. Ice cubes are formed in the freezer.
d. A plant converts carbon dioxide into carbohydrates.
e. A tree is cut down in the forest.
ANS: D PTS: 1
Confidential
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Apply NOT: Modified
12. Radioactive decay is best characterized as a type of ____.
a. physical change
b. nuclear change
c. chemical change
d. chemical decay
e. organic change
ANS: B PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
13. What law states that when matter undergoes a physical or chemical change, no atoms are created or
destroyed?
a. The second law of thermodynamics
b. The law of conservation of matter
c. The first law of thermodynamics
d. The atomic exchange law
e. The law of conservation of energy
ANS: B PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
14. Electromagnetic energy travels in _____.
a. waves
b. packets
c. nodes
d. modules
e. chunks
ANS: A PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
15. Nuclear ____ occurs when two nuclei are forced together.
a. decay
b. fission
c. dissipation
d. fusion
e. equilibrium
, ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
16. Matter is anything that ____.
a. has mass and takes up space
b. has the capacity to do work
c. can be changed in form
d. can produce change
e. moves mass
Confidential
ANS: A PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
17. What is the most basic building block of matter?
a. molecules
b. compounds
c. ions
d. atoms
e. minerals
ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: Modified
18. Fundamental types of matter that have unique sets of properties and cannot be broken down into
simpler substances by chemical means are called ____.
a. mixtures
b. compounds
c. isotopes
d. elements
e. atoms
ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
19. Which substance is a compound?
a. water
b. oxygen
c. nitrogen
d. hydrogen
e. carbon
ANS: A PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Understand NOT: Modified
20. Protons, neutrons, and electrons are all ____.
a. forms of energy
b. equal in mass
c. subatomic particles
d. negative ions
e. charged particles
, ANS: C PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
21. The atomic number is the number of ____.
a. atoms in a molecule
b. protons in an atom
c. neutrons in a molecule
d. electrons in an atom
e. protons, electrons, and neutrons in an atom
Confidential
ANS: B PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
22. The mass number of an atom is equal to the sum of the ____.
a. neutrons and isotopes
b. neutrons and electrons
c. neutrons and protons
d. protons and electrons
e. ions and isotopes
ANS: C PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
23. Isotopes are forms of an element that differ from one another by having different ____.
a. atomic numbers
b. numbers of electrons
c. numbers of protons
d. mass numbers
e. electrical charges
ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
24. An ion has a net positive or negative ______.
a. proton
b. isotope
c. charge
d. acid
e. electron
ANS: C PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
25. What describes the measurement of the concentration of hydrogen ions compared to the concentration
of hydroxide ions in a solution?
a. ionization
b. pH
c. alkalinity
d. covalent bonding
, TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
11. Which statement is an example of a chemical change?
a. Confetti is cut from pieces of paper.
b. Water evaporates from a lake.
c. Ice cubes are formed in the freezer.
d. A plant converts carbon dioxide into carbohydrates.
e. A tree is cut down in the forest.
ANS: D PTS: 1
Confidential
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Apply NOT: Modified
12. Radioactive decay is best characterized as a type of ____.
a. physical change
b. nuclear change
c. chemical change
d. chemical decay
e. organic change
ANS: B PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
13. What law states that when matter undergoes a physical or chemical change, no atoms are created or
destroyed?
a. The second law of thermodynamics
b. The law of conservation of matter
c. The first law of thermodynamics
d. The atomic exchange law
e. The law of conservation of energy
ANS: B PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
14. Electromagnetic energy travels in _____.
a. waves
b. packets
c. nodes
d. modules
e. chunks
ANS: A PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
15. Nuclear ____ occurs when two nuclei are forced together.
a. decay
b. fission
c. dissipation
d. fusion
e. equilibrium
, ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
16. Matter is anything that ____.
a. has mass and takes up space
b. has the capacity to do work
c. can be changed in form
d. can produce change
e. moves mass
Confidential
ANS: A PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
17. What is the most basic building block of matter?
a. molecules
b. compounds
c. ions
d. atoms
e. minerals
ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: Modified
18. Fundamental types of matter that have unique sets of properties and cannot be broken down into
simpler substances by chemical means are called ____.
a. mixtures
b. compounds
c. isotopes
d. elements
e. atoms
ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
19. Which substance is a compound?
a. water
b. oxygen
c. nitrogen
d. hydrogen
e. carbon
ANS: A PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Understand NOT: Modified
20. Protons, neutrons, and electrons are all ____.
a. forms of energy
b. equal in mass
c. subatomic particles
d. negative ions
e. charged particles
, ANS: C PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
21. The atomic number is the number of ____.
a. atoms in a molecule
b. protons in an atom
c. neutrons in a molecule
d. electrons in an atom
e. protons, electrons, and neutrons in an atom
Confidential
ANS: B PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
22. The mass number of an atom is equal to the sum of the ____.
a. neutrons and isotopes
b. neutrons and electrons
c. neutrons and protons
d. protons and electrons
e. ions and isotopes
ANS: C PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
23. Isotopes are forms of an element that differ from one another by having different ____.
a. atomic numbers
b. numbers of electrons
c. numbers of protons
d. mass numbers
e. electrical charges
ANS: D PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember
24. An ion has a net positive or negative ______.
a. proton
b. isotope
c. charge
d. acid
e. electron
ANS: C PTS: 1
TOP: 2-2 What Is Matter and What Happens When It Undergoes Change?
KEY: Bloom's: Remember NOT: New
25. What describes the measurement of the concentration of hydrogen ions compared to the concentration
of hydroxide ions in a solution?
a. ionization
b. pH
c. alkalinity
d. covalent bonding
