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Review For Chapter 5 Test
Test Description: Additional review questions for chapter 5-The Structure of Matter
Instructions: Answer all questions to get your test result.
1) The forces that hold different atoms or ions together are
A
nuclear forces
B
electric current
C
physical bonds
D
chemical bonds
2) Each molecule of table sugar, C12H22O11 , contains
A
12 atoms of carbon
B
1 atom of carbon
C
6 atoms of carbon
D
0 atoms of carbon
3) Gases take up a lot of space because gas molecules
A
have small molecular mass
B
are not attracted to one another
C
have weak chemical bonds
D
contains very few atoms
4) Covalent bonds are formed between
A
compounds
B
metal atoms
C
nonmetal atoms
D
ions
5) Copper is a very good conductor of electricity because its electrons
A
are positively charged
B
have a 2- charge
C
can move from atom to atom
D
are repelled by protons
6) The name dinitrogen tetroxide tells you that this compound contains
A
two N atoms and two O atoms
B
four N atoms and two O atoms
C
four N atoms and four O atoms
D
two N atoms and four O atoms
7) When copper combines with oxgen to form copper (II) oxiide, the charge of the copper ion is
A
Cu 2+
B
Cu 1+
C
Cu 3+
D
Cu 4+
8) It is possible for different covalent compounds to have the same empirical formula because empirical formulas represent
A
a ratio of atoms in the compound
B
a total of all ionic bonda
C
a model of the compound
D
only the cations in the compound
9) How many chemical bonds can carbon form with other atoms?
A
1
B
3
C
4
D
2
10) Alkanes are hydrocarbons that contain
A
single or double covalent bonds.
B
carbon, hydrogen, and oxygen.
C
carbon and oxygen only.
D
single covalent bonds only.
*select an answer for all questions
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