Chapter 2 Chemical Principles

Chapter 2 Chemical Principles

2.1 Multiple-Choice Questions


1) Which of the following statements about the atom is C FALSE? A) It has 6 protons in
its nucleus.
B) It has 12 neutrons in its nucleus.
C) It has 6 electrons orbiting the nucleus. D) Its atomic number is 6.
E) Its atomic weight is 12. Answer: B
Section: 2.1
Bloom's Taxonomy: Understanding
Learning Outcome: 2.1
Global Outcome: 2

2) Table 2.1


O C H
Using the information in Table 2.1, calculate the molecular weight of ethanol, C2H5OH. A)
96
B) 46
C) 34
D) 33
E) The answer cannot be determined. Answer: B
Section: 2.1
Bloom's Taxonomy: Applying
Learning Outcome: 2.1
Global Outcome: 2

18
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, lO M oA 4 4 70 89




3) Antacids neutralize acid by the following reaction. Identify the salt in the following
equation:
Mg(OH)2 + 2HCl → MgCl2 + H2O A) Mg(OH)2
B) HCl
C) MgCl2
D) H2O
E) None of the answers is correct. Answer: C
Section: 2.4
Bloom's Taxonomy: Understanding
Learning Outcome: 2.5




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