WorksheetsChemistry Final Review
Total questions: 86
Worksheet time: 43mins
Name
Class
Date
1.
How long will I have to put in a grade to the grade book?
a)
1 week
b)
Must be instant
c)
The next day
2.
A charged atom is called _____
a)
isotope
b)
atom
c)
ion
d)
nucleon
3.
An atom with the same number of protons, but a different number of neutrons is called ____.
a)
isotope
b)
atom
c)
ion
d)
nucleon
4.
What is the charge of an atom with 38 protons, 50 neutrons, and 36 electrons?
a)
+2
b)
-2
c)
-36
d)
-12
5.
What is the mass number of the following? Silver-105
a)
110
b)
58
c)
47
d)
105
6.
Group 9, Period 4
a)
Thorium
b)
Cobalt
c)
Fluorine and Beryllium
d)
Meitnerium
7.
What is the difference in electronegativity for HBr
a)
0.76
b)
-0.76
c)
5.16
d)
-5.16
8.
What is the difference in electronegativity for NaCl?
a)
4.09
b)
-2.23
c)
2.23
d)
-4.09
9.
_____ NH₄NO₃ --> _____ N₂ + _____ O₂ + _____ H₂O
a)
2, 2, 1, 4
b)
2, 1, 3, 2
c)
4, 4, 2, 8
d)
4, 2, 6, 4
e)
1, 1, 1, 2
10.
_____ C₂H₆O + _____ O₂ --> _____ CO₂ + _____ H₂O
a)
1, 3, 2, 3
b)
2, 6, 4, 6
c)
3, 9, 6, 9
d)
2, 1, 1, 1
11.
Solve for 𝐦𝐨𝐥𝐚𝐫𝐢𝐭𝐲 . Be sure to read the units.
a)
0.58
b)
1.7
c)
.84
d)
583
12.
Soft drinks have a pH of 3.0. That makes them _____.
a)
acidic
b)
basic
13.
Cement has a pH of 11.0. That makes it _____.
a)
acidic
b)
basic
14.
If a substance has a [H⁺] molarity of 10⁻⁶, it has a 𝐩𝐇 of _______.
a)
6
b)
8
c)
12
d)
11
15.
If a substance has a [0H ⁻] molarity of 10⁻⁶, it has a 𝐩𝐎𝐇 of _______.
a)
9
b)
6
c)
7
d)
8
16.
First and Last Name
4 lines
17.
Which type of bond is typically between a metal atom and a nonmetal atom?
a)
Ionic
b)
Covalent
c)
Metallic
18.
Which type of bond is typically between a nonmetal atom and a nonmetal atom?
a)
Ionic
b)
Covalent
c)
Metallic
19.
Which type of bond is typically between a metal atom and a metal atom?
a)
Ionic
b)
Covalent
c)
Metallic
20.
Which type of bond is typically describe as electrons are not shared between atoms, but one takes electrons and the other gives up electrons?
a)
Ionic
b)
Covalent
c)
Metallic
21.
Which type of bond is typically describe as electrons are shared between two atoms?
a)
Ionic
b)
Covalent
c)
Metallic
22.
Which type of bond is typically describe as electrons being completely and totally shared between all atoms in the substance?
a)
Ionic
b)
Covalent
c)
Metallic
23.
What is the difference in electronegativity for HBr
a)
0.76
b)
-0.76
c)
5.16
d)
-5.16
24.
What is the difference in electronegativity for NaCl?
a)
4.09
b)
-2.23
c)
2.23
d)
-4.09
25.
What is the difference in electronegativity for CuZn?
a)
3.55
b)
-0.25
c)
-3.55
d)
0.25
26.
A charged atom is called _____
a)
isotope
b)
atom
c)
ion
d)
nucleon
27.
An atom with the same number of protons, but a different number of neutrons is called ____.
a)
isotope
b)
atom
c)
ion
d)
nucleon
28.
If an atom has no charge, what HAS to be true?
a)
there are the same number of protons and neutrons
b)
there are more protons than electrons
c)
there are the same number of protons and electrons
d)
there are the same number of protons, neutrons, and electrons
29.
An atom has an atomic number of 37, 36 electrons, and 48 neutrons. How many protons does it have?
a)
37
b)
48
c)
36
d)
1
30.
What is the charge of an atom with 38 protons, 50 neutrons, and 36 electrons?
a)
+2
b)
-2
c)
-36
d)
-12
31.
What is the charge of an atom with 85 protons, 125 neutrons, and 86 electrons?
a)
-1
b)
-86
c)
+85
d)
+40
32.
How many neutrons does the following have? ³⁷Cl
a)
37
b)
20
c)
17
d)
40
33.
What is the mass number of the following? ⁹⁵Rh
a)
45
b)
25
c)
95
d)
75
34.
How many electrons does the following have? P³⁻
a)
15
b)
21
c)
19
d)
18
35.
How many electrons does the following have? Ra²⁺
a)
86
b)
88
c)
72
d)
90
36.
How many protons are in the following? Silver-105
(DON'T OVER THINK THIS ONE)
a)
46
b)
47
c)
105
d)
107
37.
How many neutrons are in the following? Silver-105
a)
60
b)
45
c)
105
d)
58
38.
What is the mass number of the following? Silver-105
a)
110
b)
58
c)
47
d)
105
39.
What is the atomic number of Zinc?
a)
30
b)
25
c)
26
d)
65
40.
Identify the following: S²⁻
a)
canione
b)
cation
c)
anion
d)
onion
41.
Identify the following: Fe³⁺
a)
canione
b)
cation
c)
anion
d)
onion
42.
AB + C → AC + B
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
43.
AB + CD → AD + CB
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
44.
A + B → AB
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
45.
R + O₂ → CO₂ + H₂O
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
46.
AB → A + B
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
47.
3 NaBr + H₃PO₄ → Na₃PO₄ + 3 HBr
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
48.
3 Mg + Fe₂O₃ → 2 Fe + 3 MgO
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
49.
C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
50.
2 PbSO₄ → 2 PbSO₃ + O₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
51.
2 NH₃ + 3 I₂ → N₂I₆ + 3 H₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
52.
2 C₅H₅ + Fe → Fe(C₅H₅)₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
53.
2 RbNO₃ + BeF₂ → Be(NO₃)₂ + 2 RbF
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
54.
C₆H₁₂ + 9 O₂ → 6 CO₂ + 6 H₂O
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
55.
Pb + FeSO₄ → PbSO₄ + Fe
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
56.
Li₃N + 3 NH₄NO₃ → 3 LiNO₃ + (NH4)₃N
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
57.
2 NH₃ + H₂SO₄ → (NH₄)₂SO₄
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
58.
CaCO₃ → CaO + CO₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
59.
2 AgNO₃ + Cu → Cu(NO₃)₂ + 2 Ag
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
60.
SeCl₆ + O₂ → SeO₂ + 3 Cl₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
61.
S₈ + 24 F₂ → 8 SF₆
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
62.
C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
63.
2 HgO → 2 Hg + O₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
64.
2 KOH + H₂SO₄ → K₂SO₄ + 2 H₂O
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
65.
2Ag + H₂S → Ag₂S + H₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
66.
2 NO₂ → 2 O₂ + N₂
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
67.
___ Fe + ____ Cl₂ --> _____ FeCl₃
a)
1, 3, 2
b)
2, 3, 2
c)
3, 2, 3
d)
3, 3, 2
e)
4, 6, 4
68.
A + B ⟶ AB
What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
69.
_____ N₂ + _____ O₂ + _____ H₂O --> ______ HNO₃
a)
2, 5, 2, 4
b)
2, 4, 2, 5
c)
1, 2, 2, 1
d)
4, 10, 4, 8
e)
1, 2, 1, 1
70.
A+B ⟶ AB What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
71.
_____ C₂H₆O + _____ O₂ --> _____ CO₂ + _____ H₂O
a)
1, 3, 2, 3
b)
2, 6, 4, 6
c)
3, 9, 6, 9
d)
1, 6, 4, 6
e)
2, 1, 1, 1
72.
R + O2 ⟶ CO2 + H2O What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
73.
_____ NaBr + _____ Cl₂ --> _____ NaCl + _____ Br₂
a)
2, 1, 2, 1
b)
1, 2, 1, 2
c)
4, 2, 4, 2
d)
3, 2, 3, 2
e)
2, 3, 2, 3
74.
AB + C ⟶ AC + B What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
75.
_____ NH₄NO₃ --> _____ N₂ + _____ O₂ + _____ H₂O
a)
2, 2, 1, 4
b)
2, 1, 3, 2
c)
4, 4, 2, 8
d)
4, 2, 6, 4
e)
1, 1, 1, 2
76.
AB⟶A+B What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
77.
__ H₂SO₄ + __ Pb(OH)₄ → __ Pb(SO₄)₂ + __ H₂O
a)
2, 1, 1, 1
b)
4, 2, 1, 2
c)
2, 2, 1, 2
d)
2, 1, 1, 4
e)
1, 1, 1, 1 (already balanced equation)
78.
H₂SO₄ + Pb(OH)₄ → Pb(SO₄)₂ + H₂O
What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
79.
__ Zn + __ HCl → __ ZnCl₂ + __ H₂
a)
1, 2, 1, 1
b)
2, 2, 1, 2
c)
1, 2, 2, 1
d)
2, 4, 2, 2
e)
2, 2, 2, 2
80.
Zn + HCl → ZnCl₂ + H₂
What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
81.
__ Na₃PO₄ + __ HCl → __ NaCl + __ H₃PO₄
a)
3, 1, 3, 1
b)
1, 3, 3, 3
c)
1, 3, 3, 1
d)
3, 4, 12, 4
e)
1, 1, 3, 1
82.
Na₃PO₄ + HCl → NaCl + H₃PO₄
What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
83.
__ Au₂O₃ → __ Au + __ O₂
a)
2, 4, 4
b)
2, 1, 3
c)
1, 2, 1
d)
0, 1, 1
e)
2, 4, 3
84.
Au₂O₃ → Au + O₂
What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
85.
___ C₂H₄ + ___ O₂ → ___ CO₂ + ___ H₂O
a)
1, 1, 2, 2
b)
1, 3, 2, 2
c)
2, 6, 4, 4
d)
1, 2, 2, 2
e)
1, 3, 1, 2
86.
C₂H₄ + O₂ → CO₂ + H₂O
What type of reaction is the one above?
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
e)
combustion
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