Unit 1 Self-Quiz, pages 136–137
1.
(b)
2.
(c)
3.
(c)
4.
(a)
5.
(a)
6.
(d)
7.
(a)
8.
(b)
9.
(c)
10.
(d)
11.
(d)
12.
(c)
13.
(a)
14.
(a)
15.
(d)
16.
(b)
17.
(a)
18.
(d)
19.
(b)
20.
(c)
21.
(d)
22.
False. Theories change over time as new knowledge is discovered.
23.
True
24.
True
25.
False. A period is a horizontal row on the periodic table. OR A group is a column on the periodic table.
26.
False. Mendeleev arranged his periodic table according to increasing atomic mass .
27.
True
28.
False. Molten ionic compounds conduct an electric current.
29.
False. A molecular compound is made of at least two different kinds of elements
30.
True
31.
False. The name of the molecular compound NO is nitrogen monoxide .
32.
True
33.
True
34.
True
35.
False. Insecticides contain compounds that kill insects outright.
36.
True
37.
False. A non-polar molecule can contain polar bonds.
38.
False. Intermolecular forces are weaker than chemical bonds.
39.
True
40.
True
41.
False. Upcycling is the strategy of making a high-value retail product from something that otherwise would have been garbage.
Copyright © 2011 Nelson Education Ltd. Unit 1: Matter, Chemical Trends, and Chemical Bonding U1-2