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Quarter 2 Review for final

Total questions: 104

Worksheet time: 7hrs 48mins

Name
Class
Date
1.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
2.
An ionic bond forms when atoms ___________ electrons.
a)
gain
b)
share
c)
increase
d)
transfer
3.
Which type of bond has an equal sharing of electrons?
a)
Polar Covalent 
b)
Non Polar Covalent
c)
Ionic
d)
Metallic
4.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
5.

Ionic bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

Depends on the situation

6.

Predict the bond between Mg and Cl

a)

covalent

b)

ionic

c)

metallic

d)

none of the above

7.

What is the chemical formula for Lithium Nitride?

a)

Li3N

b)

LiN3

c)

NLi3

d)

N3Li

8.

What is the ionic formula for a bond between Calcium and Phosphorus?

a)

Ca2P3

b)

Ca3P2

c)

Ca2P5

d)

P5Ca2

9.
What is the ability of a substance to be pulled into a thin strand?
a)
Malleability
b)
Ductility 
c)
Conductivity
d)
Solubility
10.
Why do metals conduct
a)
They are shiny
b)
The electrons are held tightly within the lattice
c)
The electrons are delocalised and able to move
d)
The electrons are shared between two metal ions
11.
High Melting & Boiling Points
a)
Ionic
b)
Covalent
12.
Soluble in Water
a)
Ionic
b)
Covalent
13.
The ability of metal to be hammered into thin sheets is called _________________.
a)
ductility
b)
malleablility
c)
moving electrons
d)
construction work
14.

What is the correct formula for Calcium Phosphate?

a)

Ca3(PO4)2

b)

Ca3(PO4)

c)

Ca2(PO4)

d)

Ca2(PO4)2

15.

What is the correct name for the compound with the formula (NH4)3PO4

a)

Ammonium Pyrophosphite

b)

Ammonium Phoporylate

c)

Ammonium Phosphite

d)

Ammonium Phosphate

16.

Mn(SO4)2 contains...

a)

ionic bonds only

b)

both ionic and covalent bonds

c)

covalent bonds only

d)

metallic bonds only

17.

What is the correct name for the compound with the formula NH4NO3

a)

ammonium nitrite

b)

ammonium nitrate

c)

ammonium nitride

18.

What is the correct formula for iron III phosphate

a)

Fe3PO4

b)

FePO4

c)

Fe2(PO4)2

d)

Fe6(PO4)3

19.

What is the correct name for CF4

a)

Carbon fluoride

b)

Carbon IV fluoride

c)

Carbon tetrafluoride

20.

What formula represents dinitrogen trioxide?

a)

N3O2

b)

NO2

c)

N2O3

21.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
22.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
23.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
24.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
25.
What determines the number of hydrogens in your acid?
a)
there are always just one
b)
its the same as the charge of hydrogen
c)
its the same as the charge of the anion
d)
magic
26.
Select the formula for the following acid: chloric acid
a)
HClO3
b)
HCl
c)
HClO4
27.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
28.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
29.
Three pairs of electrons are shared in a
a)
Single bond
b)
Double bond
c)
Triple bond
30.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
31.
How many electrons can be used in the Lewis Structure for : NO3 -
a)
23
b)
20
c)
18
d)
24
32.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
33.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
34.

In HCN (Carbon is usually the central atom) what kind of bond is between the C and N

a)

Single

b)

Double

c)

Triple

35.

Which of the following elements are an exception to the octet rule and require less than 8 valence electrons?

a)

H

b)

Li

c)

Be

d)

B

e)

C

36.
A molecule of methane has what shape?
a)
Tetrahedral
b)
Triangular
c)
Pyramidal
d)
Octahedral
37.
A molecule of water has what shape?
a)
Linear
b)
Tetrahedral
c)
Bent
d)
Triangular
38.

Which image could be a representation of NH3?

a)

A

b)

B

c)

C

39.
 Lone electron pairs in a molecule...
a)
Never exist
b)
Are lost in space
c)
Creates an isotope
d)
Push the bonded atoms closer
40.
What is the correct structure for BF3?
a)
Option A.
b)
Option B. 
c)
Option C.
d)
Option D.
41.

Which geometric molecular shape is shown?

a)

bent

b)

trigonal planar

c)

trigonal pyramidal

d)

tetrahedral

42.
Who could this be? 
a)
CO2
b)
NH3
c)
H2S
d)
CH4
43.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
44.
What molecule could this be? 
a)
BF3
b)
CH4
c)
H2O
d)
CO2
45.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
46.
Will this molecule be polar or nonpolar? PH3
a)
polar
b)
nonpolar
47.
What is the measure of a tetrahedral bond angle?
a)
90 Degrees
b)
109.5 Degrees
c)
120 Degrees
d)
180 Degrees
48.

Is the following molecule polar or nonpolar?

a)

polar

b)

nonpolar

49.

Is the following molecule polar or nonpolar?

a)

polar

b)

nonpolar

50.

Is the following molecule polar or nonpolar?

a)

polar

b)

nonpolar

51.

What type of hybridization does this molecule show?

a)

sp

b)

sp3

c)

sp4

d)

sp2

52.
Which compound would have a high melting point?
a)
CaO
b)
CO2
c)
PI3
d)
SO3
53.
The bond angle for a trigonal planar molecule is 
a)
90 Degrees
b)
109.5 Degrees
c)
120 Degrees
d)
180 Degrees
54.

What is the bond angle of H2O?

a)

~90

b)

~104.5

c)

~107.5

d)

~109.5

55.

Which of the following is correct?

a)

Linear - sp

b)

Linear - sp2

c)

Bent - sp3

d)

Bent - sp3d

56.

What are the bond angle(s) of a structure with a hybridization of sp3d2?

a)

90

b)

90 & 120

c)

120

d)

~109.5

57.

What is the Hybridization of ICl3?

a)

sp3d

b)

sp2

c)

sp3

d)

sp3d2

58.

What is the Hybridization of XeF4?

a)

sp3d

b)

sp2

c)

sp3

d)

sp3d2

59.
How many resonance structures for NO3- ion?
a)
1
b)
2
c)
3
d)
4
60.

The Lewis structure of the CO32- ion is

a)
b)
c)
d)
e)
61.

How many structures should be drawn for this molecule?

a)

1

b)

2

c)

3

62.

How many molecules are in 2.50 mol of NaCl?

a)

1.51x1023

b)

146

c)

4.15

d)

1.51x1024

63.
How many atoms of carbon are in 6.00g of carbon?
a)
1.20x1024atoms C
b)
6.02x1023atoms C
c)
3.01x1023atoms C
d)
1.50x1023atoms C
64.
How many grams are in 1.2 x 1024 molecules of CO?
a)
28 grams
b)
56 grams
c)
6.02 grams
d)
1.2 grams
65.
How many grams are in 1.2 x 1024 molecules of CO?
a)
28 grams
b)
56 grams
c)
6.02 grams
d)
1.2 grams
66.
How many steps are in a gram to mole conversion?
a)
1
b)
2
c)
3
d)
4
67.

What is the mass of 0.890 mol of CaCl2?

a)

111 grams

b)

0.00800 grams

c)

98.8 grams

d)

none of the choices

68.
How many steps are in a gram to molecule conversion?
a)
1
b)
2
c)
3
d)
4
69.
How many moles are in 20 grams of Ca (Calcium)?
a)
0.5 
b)
1
c)
3
d)
20
70.

Determine the number of moles in 5.2 x 1022 atoms of gold.

a)

0.086 mole

b)

0.52 mole

c)

8.63 x 1044 moles

d)

3.1 x 1046 moles

71.

What is the molar mass of Ca(NO3)2?

a)

148.10 g/mol

b)

164.09 g/mol

c)

102.06 g/mol

d)

70.08 g/mol

72.

How many moles are in 74 g of KCl

a)

0.99 mole

b)

0.014 mole

c)

11 moles

d)

0.14 mole

73.

How many atoms would be contained in 454 grams of iron?

a)

6.02 x 1023 atoms

b)

8.14 atoms

c)

4.89 x 1024 atoms

d)

55.9 x 1023 atoms

74.

CO2 is a ....

a)

molecule

b)

atom

c)

formula unit

d)

ion

75.

K2CO3 is a ....

a)

molecule

b)

atom

c)

formula unit

d)

ion

76.
Name the following ionic compound: MgSO4*7H2O
a)
magnesium sulfate * hexahydarte
b)
magnesium sulfate hexahydarte
c)
magnesium sulfate heptahydrate
d)
magnesium sulfate* heptahydrate
77.
A hydrate of magnesium chloride is present and the following data is collected:
mass of crucible = 22.130 grams
mass of crucible + hydrate = 25.290 grams
mass of crucible and contents after heating = 23.491 grams
What is the complete formula of this hydrate?
a)
MgCl2 · 7H2O
b)
MgCl2 · 11H2O
c)
MgCl2 · 6H2O
d)
MgCl2 · 13H2O
78.
A 15.67 g sample of a hydrate of magnesium carbonate was heated to drive off the water. The mass was reduced to 7.58 g. What is the formula of the hydrate?
a)
MgCO3 · 5H2O
b)
MgCO3 · 4H2O
c)
MgCO3 · 6H2O
d)
MgCO3 · 1H2O
79.
What is the percentage of chromium in K2Cr2O7?
a)
38.1%
b)
27.2%
c)
34.7%
d)
100%
80.
Find the percentage composition of  Mg in Mg3(PO4)2.
   

a)
27.75% Mg
b)
23.57% Mg
c)
48.68% Mg
d)
13.45% Mg
81.
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
a)
SO
b)
SO2
c)
SO3
d)
SO4
82.
A formula with the lowest whole # ratio of elements in a compound is called
a)
Molecular Formula
b)
Chemical Formula
c)
Empirical Formula 
d)
Distance Formula
83.
What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?
a)
CH2O
b)
C2H4O2
c)
C4H8O4
d)
C6H12O6
84.
Which pair has the same empirical formula?
a)
NaCrO4 and Na2Cr2O7
b)
C2H4O2 and C6H12O6
c)
C3H6O3 and C2H6O2
d)
CH4 and C2H6
85.

What is the empirical formula for Br2O6

a)

BrO3

b)

Br6O2

c)

BrO

d)

Br2O6

86.
Glycerol has a molar mass of 92.09g/mol. Its percent composition is: 39.12% C, 8.75% H, and 51.12% O. What is the molecular formula for glycerol?
a)
C2H3O2
b)
CH2O
c)
C2H4O2
d)
C3H8O3
87.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
d)
Left side is balanced
88.
Which problem is balanced?
a)
PbO2 + 2H2--> H2SO4
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
d)
2Na + 2H2O --> 2NaOH + H
89.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
90.
Number of H in 3(NH₄)₂CrO₄
a)
4
b)
6
c)
8
d)
24
91.
Finish a blalanced equation:
Mg(OH)2 --> __________
a)
Mg(OH)2 --> MgOH
b)
Mg(OH)2 --> MgO+ H2O
c)
Mg(OH)2 --> MgO+ H2
d)
Mg(OH)2 --> Mg+ H2O
92.
Balance the equation:
Si(OH)4+NaBr--> SiBr4+NaOH
a)
Si(OH)4+2NaBr--> SiBr4+NaOH
b)
Si(OH)4+4NaBr--> SiBr4+4NaOH
c)
Si(OH)4+NaBr--> SiBr4+4NaOH
d)
Si(OH)4+2NaBr--> SiBr4+2NaOH
93.

__ Al + __ FeO → Al2O2 + __ Fe

a)

1, 1, 2

b)

2,1,2

c)

2, 2, 2

d)

2,4,2

94.

What type of reaction is this?

2 C6H14 + 19 O2 → 12 CO2 + 14 H2O

a)

Single Replacement

b)

Double Replacement

c)

Combustion

d)

Decomposition

95.

Predict the products for the this Single Replacement reaction:

K + HCl →

a)

KCl + H2

b)

KHCl

c)

KH + Cl2

d)

HCl + K2

96.

Predict the products for the this Double Replacement reaction:

AgNO3 + KCl →

a)

AgCl + KNO3

b)

AgK + ClNO3

c)

KAg + NO3Cl

d)

AgCl + 3 KNO

97.

Predict the products of this single replacement reaction: Na + H2O →

a)

NaO + H2

b)

NaOH + H2

c)

NaH + O2

d)

ONaH

98.
What precipitate forms when you mix lead (II) nitrate with sodium chloride?
a)
sodium nitrate 
b)
lead (II) chloride 
c)
sodium lead
d)
chloride nitrate 
99.
Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?
a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
c)
Ag +  Cl  →  AgCl
d)
Ag+  +  Ca2+   →Ag2Ca (s)
100.
Which of the following does NOT form a precipitate?
a)
Pb(NO3)2(aq) + 2KI(aq) →
b)
Sr(NO3)2 (aq) + K2SO4(aq) →
c)
AgNO3(aq) + Na2S(aq) →
d)
 Pb(NO3)2(aq) + AgNO3(aq) →
101.
What are the spectator ions in the reaction of sodium chloride with silver nitrate?
a)
silver and nitrate
b)
sodium and chloride
c)
sodium and nitrate
d)
silver and chloride
102.
What are the spectator ions in this reaction?
CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)
 
a)
Cu2+ and OH1-
b)
Na2+ and Cl2-
c)
Na1+ and Cl1-
d)
Na1+ and OH1-
103.
Based on the activity series, which metal could X represent in the reaction below?
X + Ca (NO3)2 -->  Ca + X (NO3)2
a)
Ba
b)
Fe
c)
Mg
d)
Zn
104.
The formula shows that
X + ZY --> ZX + Y
a)
X and Y bonded into a more complex molecule.
b)
ZY has decomposed into two smaller compounds
c)
X is a more reactive than Y.
d)
Y has changed into a new compound.

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