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SCI 155 Chap 8a
Test Description: This game reviews topics from Chapter 8 of your text.
Instructions: Answer all questions to get your test result.
1) The atomic number always tells you the number of
A
neutrons
B
electrons
C
protons
D
protons + neutrons
2) The mass number always tells you the number of
A
neutrons
B
electrons
C
protons
D
protons + neutrons
3) Isotopes have the same number of *, but different numbers of *.
A
protons, electrons
B
neutrons, protons
C
electrons, protons
D
protons, neutrons
4) In 113Cd2+, the mass number is
A
48
B
113
C
65
D
+2
5) In 113Cd2+, the atomic number is
A
65
B
+2
C
113
D
48
6) How many neutrons are in 106Pd+1?
A
45
B
46
C
60
D
106
7) How many electrons are in 75As3-?
A
75
B
33
C
30
D
36
8) How many protons are in 24Mg+2?
A
12
B
24
C
26
D
10
9) When atoms gain electrons they are called * and are * charged.
A
anions, negatively
B
cations, positively
C
anions, positively
D
cations, negatively
10) Metals * electrons and nonmetals * electrons.
A
lose, gain
B
lose, lose
C
gain, lose
D
gain, gain
*select an answer for all questions
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