Acids, Bases, & Salts: Matching
• Directions: Match the word with the proper definition. • Answers:
1. acid
A. positively charged ion
1. H
2. anion
B. solution with a pH between 10 and 14 2. F
3. base
C. solution with a pH between 4 and 6
3. G
4. cation
D. acids turn it red, bases turn it blue
4. A
5. electrolytes
E. positively charged particle
5. J
6. H+ ion
F. negatively charged ion
6. I
7. litmus paper
G. can accept a hydrogen ion
7. D
8. proton
H. can donate a hydrogen ion
8. E
9. strong base
I. positive hydrogen ion
9. B
10. weak acid
J. good conductors of electricity
10. C
Acids, Bases, & Salts: Use the Right Word
• Directions: Find the right word from the vocabulary
list that completes the following sentences.
1. According to the Brønsted-Lowry definition, an
____________ is any substance that can donate a
hydrogen ion.
• acid
2. According to the Brønsted-Lowry definition, a
____________ is any substance that can accept a
hydrogen ion.
• base
3. Rainfall that is below 5.6 on the pH scale is called
____________ ____________.
• acid rain
Acids, Bases, & Salts: Matching
•
•
•
•
•
•
•
•
•
•
Acid = can donate a hydrogen ion
Anion = negatively charged ion
Base = can accept a hydrogen ion
Cation = positively charged ion
Electrolytes = good conductors of electricity
H+ ion = positive hydrogen ion
Litmus paper = acids turn it red, bases turn it blue
Proton = positively charged particle
Strong base = solution with a pH between 10 & 14
Weak acid = solution with a pH between 4 & 6
Acids, Bases, & Salts: Use the Right Word
4. Substances that are good conductors of
electricity are called ____________.
• electrolytes
5. A special type of paper that can determine if a
solution is an acid or a base is called
____________ paper.
• litmus or indicator
6. The process in which acids and bases react so
that the properties of both are lost to form water
and a salt is called ____________.
• neutralization
Acids, Bases, & Salts: Use the Right Word
7. The scale that measures the concentration of H3O+ ions
in solutions is called the ____________ scale.
• pH
8. An ion that has fewer electrons than protons is called a
____________ ion.
• positive
9. The symbol for a positive hydrogen ion is written
____________ ion.
• H+
10. The symbol for a hydroxide ion is written
____________ ion.
• OH-