Question

column a

1. acid
2. adenosine triphosphate
3. base
4. chemical reaction
5. compound
6. electrolyte
7. energy
8. enzyme
9. isotope
10. molecule

column b
a. a compound from which the bodies cells get
b. atoms of the same element that contain different numbers of neutrons.
c. a substance that acts as a catalyst in chemical reactions.
d. a substance that breaks down into ions when in solution.
e. a particle consisting of two or more atoms held together by chemical bonds.
f. a process in which molecules are formed, changed, or broken down.
g. the ability to do work.
h. a substance that can release hydrogen ions in detectable amounts.
i. a substance that accepts hydrogen ions.
j. a substance composed of two or more different elements.

Explanation:

1. An acid is a substance that can release hydrogen ions in detectable amounts.
2. Adenosine Triphosphate is a compound from which the body's cells get energy.
3. A base is a substance that accepts hydrogen ions.
4. A chemical reaction is a process in which molecules are formed, changed, or broken down.
5. A compound is a substance composed of two or more different elements.
6. An electrolyte is a substance that breaks down into ions when in solution.
7. Energy is the ability to do work.
8. An enzyme is a substance that acts as a catalyst in chemical reactions.
9. An isotope is atoms of the same element that contain different numbers of neutrons.
10. A molecule is a particle consisting of two or more atoms held together by chemical bonds.

Answer:

1. h
2. a
3. i
4. f
5. j
6. d
7. g
8. c
9. b
10. e