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SCI 155 Chap 9b
Test Description: This game reviews topics covered in Chapter 9 of your text.
Instructions: Answer all questions to get your test result.
1) What type of bonding occurs when atoms share electrons?
A
ionic
B
hydrogen
C
metallic
D
covalent
2) When 2 pairs of electrons are shared by 2 atoms this is a
A
single bond
B
quadruple bond
C
triple bond
D
double bond
3) Oxidation is the * of electrons and reduction is the * of electrons.
A
loss, gain
B
gain, loss
4) Is Na2O a 'correct' formula?
A
yes
B
no
5) Is this equation balanced? 2 CO = C + O2
A
yes
B
no
6) Mixtures can be separated * and compounds can be separated *.
A
physically, physically
B
chemically, chemically
C
chemically, physically
D
physically, chemically
7) An ionic compound forms between * and a covalent compound forms between *.
A
a metal and a nonmetal, 2 nonmetals
B
a metal and a nonmetal, a metal and a nonmetal
C
2 metals, 2 nonmetals
D
2 nonmetals, 2 metals
8) How many oxygen atoms are in Ca(OH)2?
A
1
B
4
C
2
D
3
9) Metals tend to * electrons and form *.
A
lose, anions
B
lose, cations
C
gain, cations
D
gain, anions
10) Nonmetals tend to * electrons and form *.
A
lose, anions
B
lose, cations
C
gain, cations
D
gain, anions
*select an answer for all questions
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