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WorksheetsSemester 2 FINAL
Total questions: 132
Worksheet time: 10hrs 45mins
Name
Class
Date
1.
The amount of energy necessary to remove an electron from a neutral atom.
a)
Ionization Energy
b)
Atomic Radius
c)
Transition Metal
d)
Electronegativity
2.
Elements that are in the same column of the periodic table.
a)
Period
b)
Metal
c)
Halogen
d)
Group
3.
States that the properties of elements repeat as their atomic numbers increase.
a)
Periodic Law
b)
Noble Gas
c)
Period
d)
Nonmetal
4.
An element that is generally gaseous or a dull, brittle solid; a poor conductor of heat and electricity.
a)
Metalloid
b)
Metal
c)
Nonmetal
d)
Noble Gas
5.
Elements that are in the same row of the periodic table.
a)
Metalloid
b)
Metal
c)
Period
d)
Group
6.
Groups of elements in the periodic table that are designated with a B (1B-8B).
a)
Transition Element
b)
Ionization Energy
c)
Transition Metal
d)
Representative Element
7.
Groups of elements in the periodic table that are designated with an A (1A-8A).
a)
Transition Element
b)
Representative Element
c)
Transition Metal
d)
Metalloid
8.
Elements that are highly unreactive.
a)
Alkaline Earth Metal
b)
Alkali Metal
c)
Halogen
d)
Noble Gas
9.
An element that has the physical appearance and properties of a metal but behaves chemically like a nonmetal.
a)
Metalliod
b)
Metal
c)
Period
d)
Halogen
10.
The current model of the periodic table is arranged in order of increasing atomic
a)
mass.
b)
charge.
c)
number.
d)
radius.
11.
Elements in the same group of the periodic table have similar properties because they have the same number of
a)
energy levels.
b)
valence electrons.
c)
protons.
d)
neutrons.
12.
Identify the period and group numbers of carbon.
a)
Period 2, Group 2A
b)
Period 2, Group 4A
c)
Period 3, Group 4A
d)
Period 1, Group 2A
13.
How many valence electrons do the elements in Group 5A have?
a)
1
b)
2
c)
7
d)
5
14.
Which of the following pairs of elements belong to the same group?
a)
carbon and nitrogen
b)
hydrogen and helium
c)
lithium and sodium
d)
gallium and germanium
15.
Of the following elements, which one is in the same period as calcium?
a)
carbon (C)
b)
potassium (K)
c)
sulfur (S)
d)
iodine (I)
16.
What element is in Group 2A and Period 7 of the periodic table?
a)
magnesium (Mg)
b)
radon (Rn)
c)
manganese (Mn)
d)
radium (Ra)
17.
metal is to malleable as nonmetal is to
a)
brittle.
b)
solid.
c)
dull.
d)
gaseous.
18.
Of the following elements, which one is an alkali metal?
a)
potassium (K)
b)
hydrogen (H)
c)
vanadium (V)
d)
calcium (Ca)
19.
Of the following elements, which one is an alkaline earth metal?
a)
magnesium (Mg)
b)
sodium (Na)
c)
copper (Cu)
d)
tin (Sn)
20.
Of the following elements, which one is a halogen?
a)
fluorine (F)
b)
silicon (Si)
c)
selenium (Se)
d)
helium (He)
21.
What category of elements have the property of being malleable and ductile?
a)
gases
b)
metals
c)
metalloids
d)
nonmentals
22.
Which group on the periodic table is known as the alkali metals?
a)
1A
b)
2A
c)
7A
d)
8A
23.
Which group on the periodic table is known as the alkaline earth metals?
a)
1A
b)
2A
c)
7A
d)
8A
24.
Which group on the periodic table is known as the halogens?
a)
1A
b)
2A
c)
7A
d)
8A
25.
As we consider the elements in Period 3 from left to right, there is a general decrease in
a)
ionization energy.
b)
electronegativity.
c)
metallic character.
d)
nonmetallic character.
26.
An element that is solid at room temperature; a good conductor of heat and electricity.
a)
Nonmetal
b)
Metalloid
c)
Metal
d)
Period
27.
Of the following elements, which one has the smallest atomic radius (size)?
a)
sulfur (S)
b)
chlorine (Cl)
c)
aluminum (Al)
d)
sodium (Na)
28.
Of the following elements, which one has the largest atomic radius (size)?
a)
carbon (C)
b)
lithium (Li)
29.
Of the following elements, which one has the lowest electronegativity value?
a)
lead (Pb)
b)
tin (Sn)
30.
Of the following elements, which one has the lowest ionization energy?
a)
beryllium (Be)
b)
nitrogen (N)
31.
The ability of an atom to attract electrons in order to form a chemical bond.
a)
Atomic Radius
b)
Metalloid
c)
Electronegativity
d)
Ionization Energy
32.
Developed the current model of the periodic table.
a)
Moseley
b)
Mendeleev
33.
Which of the following categories includes the majority of all known elements?
a)
metalloids
b)
metals
c)
nonmetals
d)
liquids
34.
Of the following elements, which one has the highest electronegativity?
a)
selenium (Se)
b)
oxygen (O)
35.
Elements in the same period have the same number of
a)
valence electrons.
b)
energy levels.
c)
protons.
d)
neutrons.
36.
Covalent compounds display which of these properties?
a)
They are hard, brittle solids.
b)
They have high melting and boiling points.
c)
They display luster.
d)
They are usually insoluble in water.
37.
In forming a molecular structure, each atom should have ___ electrons around it unless there is some specific reason why this cannot be achieved.
a)
2
b)
4
c)
6
d)
8
38.
How many electrons are shared in a double bond?
a)
4
b)
2
c)
1
d)
0
39.
Which of the following will NOT be surrounded by an octet of electrons in a correctly drawn Lewis structure?
a)
C
b)
Cl
c)
O
d)
H
40.
Which of the following is NOT a property/characteristic of covalent compounds?
a)
May be a liquid at room temperature.
b)
Poor conductors of electricity.
c)
Have high melting points.
d)
Solid forms are soft or brittle.
41.
Which pair of elements is most likely to form a covalently bonded compound?
a)
Mg with Cl
b)
F with Cl
c)
Li with S
d)
Ni with Rn
42.
How many electrons are shared in a single bond?
a)
4
b)
2
c)
1
d)
0
43.
Which pair of elements is most likely to form a covalently bonded compound?
a)
Li with Cl
b)
S with O
c)
Ca with S
d)
Na with Br
44.
Which of the following is the correct formula for the compound dinitrogen hexaoxide?
a)
NO3
b)
NO2
c)
N2O6
d)
N2O5
45.
Which of the following is the correct formula for the compound dicarbon monosulfide?
a)
CS
b)
C2S2
c)
CS2
d)
C2S
46.
Which of the following is the correct name for the compound N2O3?
a)
dinitro trioxide
b)
nitrogen (II) oxide (III)
c)
trinitrogen dioxide
d)
dinitrogen trioxide
47.
Which of the following is the correct name for the compound N2O4?
a)
tetranitrogen dioxide
b)
dinitrogen tetroxide
c)
dinitrogen quadoxide
d)
nitrogen oxide
48.
Which of the following is the correct formula for the compound nitrogen dichloride?
a)
NBr
b)
NaCl
c)
NCl
d)
NCl2
49.
Which of the following is the correct formula for the compound silicon tetrafluoride?
a)
SiF4
b)
SiF2
c)
SiF
d)
Si4F
50.
Which of the following is the correct formula for the compound dinitrogen monoxide?
a)
NO2
b)
(NO)2
c)
N2O1
d)
N2O
51.
Which of the following is the correct formula for the compound sulfur hexachloride?
a)
S6Cl
b)
SCl6
c)
SCl5
d)
S2Cl3
52.
Which of the following is the correct formula for the compound disulfur dibromide?
a)
SBr
b)
S2Br
c)
S2Br2
d)
SBr2
53.
What is the compound name for hydrazine, N2H4?
a)
trinitrogen quatrahydride
b)
dinitrogen tetrahydride
c)
trinitrogen pentahydride
d)
dinitrogen hydride
54.
When drawing Lewis structures, which of the following is most likely the central atom?
a)
C
b)
N
c)
O
d)
H
55.
In the polyatomic ion (NO3)1-, how many total valence electrons are available?
a)
16
b)
9
c)
22
d)
24
56.
Which of the following compounds is an exception to the octet rule?
a)
BH3
b)
CH4
c)
NH3
d)
H2O
57.
Which of the following diatomic elements has a double bond between its atoms?
a)
fluorine
b)
oxygen
c)
nitrogen
d)
hydrogen
58.
Which of the following is the correct molecular shape of CF4?
a)
tetrahedral
b)
bent
c)
trigonal pyramidal
d)
linear
59.
The ammonia (NH3) molecule has a trigonal pyramidal shape. How do you know?
a)
N has 4 bonded atoms and 0 lone pairs
b)
N has 2 bonded atoms and 2 lone pairs
c)
N has 3 bonded atoms and 1 lone pair
d)
N has 6 bonded atoms and 0 lone pairs
60.
Which of the following is the correct molecular shape of water, H2O?
a)
linear
b)
trigonal pyramidal
c)
bent
d)
tetrahedral
61.
Which of the following is the correct molecular shape of CCl4?
a)
trigonal planar
b)
tetrahedral
c)
octahedral
d)
bent
62.
Which of the following is the correct molecular shape of the methane molecule (CH4)?
a)
tetrahedral
b)
square
c)
trigonal planar
d)
trigonal pyramidal
63.
Which of the following is the correct molecular shape of BH3?
a)
trigonal planar
b)
trigonal pyramidal
c)
linear
d)
tetrahedral
64.
Which of the following is the correct name for the compound SiC?
a)
silicon carbide
b)
silicon monocarbide
c)
silver carbide
d)
silver monocarbide
65.
Which of the following is the correct name for the compound P2O5?
a)
dipotassium pentaoxide
b)
phosphorus oxide
c)
diphosphorus pentaoxide
d)
diphosphorus heptaoxide
66.
Which of the following is the correct Lewis structure for the compound dinitrogen monoxide?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
67.
Which of the following is the correct Lewis structure for the compound phosphorus tribromide?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
68.
An attraction between molecules of different substances.
a)
adhesion
b)
cohesion
c)
diatomic molecule
d)
lone pair
69.
The ability of a liquid to flow upward in narrow tubes.
a)
adhesion
b)
cohesion
c)
capillary action
d)
surface tension
70.
An attraction between molecules of the same substance.
a)
adhesion
b)
cohesion
c)
capillary action
d)
diatomic molecule
71.
The bond formed when electrons are shared between atoms.
a)
covalent bond
b)
hydrogen bond
c)
nonpolar covalent bond
d)
polar covalent bond
72.
A molecule that consists of two atoms of the same element.
a)
lone pair
b)
molecule
c)
diatomic molecule
d)
covalent compound
73.
The product that results from the sharing of electrons between two or more nonmetals.
a)
covalent compound
b)
hydrogen bond
c)
molecule
d)
diatomic molecule
74.
A weak bond between a hydrogen atom in one molecule to an atom in a second molecule.
a)
hydrogen bond
b)
covalent bond
c)
polar covalent bond
d)
nonpolar covalent bond
75.
A model that uses electron-dot structures to show how valence electrons are arranged in molecules.
a)
lone pair
b)
VSEPR theory
c)
ozone
d)
Lewis structure
76.
A pair of valence electrons not involved in bonding.
a)
lone pair
b)
molecule
c)
nonpolar covalent bond
d)
polar covalent bond
77.
A substance formed when two or more atoms covalently bond.
a)
covalent bond
b)
molecule
c)
hydrogen bond
d)
cohesion
78.
A bond in which the electrons are shared equally by two atoms.
a)
polar covalent bond
b)
hydrogen bond
c)
nonpolar covalent bond
d)
diatomic molecule
79.
A layer of naturally occurring gas in the Earth's stratosphere that serves as a shield from the harmful radiation emitted by the sun.
a)
ozone
b)
surface tension
c)
adhesion
d)
cohesion
80.
A molecule is formed when two or more atoms form a covalent bond. According to this definition, which of these is NOT a molecule?
a)
NaCl
b)
H2
c)
HCl
d)
NH3
81.
An atom or bonded group of atoms having a positive or negative charge.
a)
ion
b)
monatomic ion
c)
ionic compound
d)
polyatomic ion
82.
Formed when one or more electrons are transferred from one atom to another, forming cations and anions.
a)
ionic bond
b)
chemical bond
c)
monatomic ion
d)
polyatomic ion
83.
The product that results when metals react with nonmetals.
a)
ionic compound
b)
ion
c)
monatomic ion
d)
polyatomic ion
84.
Ions formed from a single atom.
a)
ionic bond
b)
monatomic ion
c)
polyatomic ion
d)
ionic compound
85.
States that when atoms combine to form compounds they generally each lose, gain, or share valence electrons until they attain or share eight.
a)
octet rule
b)
ionic compound
c)
electrolyte
d)
chemical bond
86.
Ions that are made of more than one atom.
a)
polyatomic ion
b)
ionic compound
c)
monatomic ion
d)
electrolyte
87.
A positively charged ion that forms when an atom loses valence electrons.
a)
anion
b)
cation
c)
monatomic ion
d)
polyatomic ion
88.
The force that holds two atoms together.
a)
chemical bond
b)
ionic bond
c)
ionic compound
d)
electrolyte
89.
A substance that conducts electricity when dissolved in water.
a)
electrolyte
b)
polyatomic ion
c)
monatomic ion
d)
ion
90.
In the equation for the formation of magnesium sulfide shown, which atom gains electrons?
a)
A
b)
B
c)
C
d)
D
91.
Which is a physical property of ionic compounds in their solid state?
a)
good conductor of electricity
b)
weak attractive forces between ions
c)
low boiling point
d)
high melting point
92.
Which is the correct formula for the compound formed between beryllium and nitrogen?
a)
BeN
b)
Be3N
c)
Be3N2
d)
Be2N3
93.
What is the correct formula for the compound formed between magnesium and the phosphate ion?
a)
Mg(PO4)
b)
Mg3(PO2)
c)
Mg3(PO4)2
d)
MgP2O8
94.
Which is the correct formula for the compound manganese (III) fluoride?
a)
MnF
b)
Mn3F
c)
MnF3
d)
Mn3F3
95.
Which is the correct formula for the compound chromium (II) nitrate?
a)
(Cr)2NO3
b)
Cr2(NO3)
c)
Cr(NO2)
d)
Cr(NO3)2
96.
Which is the correct name for the compound Ca(ClO2)?
a)
calcium chloride
b)
calcium chloroxide
c)
calcium chlorite
d)
calcium chlorate
97.
Which is the correct name for the compound Na3P?
a)
sodium phosphide
b)
sodium phosphite
c)
sodium phosphate
d)
sodium (III) phosphide
98.
Which is the correct name for the compound (NH4)(SO4)?
a)
nitrogen hydrogen sulfate
b)
nitrogen hydrosulfate
c)
ammonium (II) sulfate
d)
ammonium sulfate
99.
Which of the following occurs in an ionic bond?
a)
oppositely charged ions attract
b)
two atoms share electrons
c)
two atoms share more than two electrons
d)
like-charged ions attract
100.
What is the net (overall) charge of the ionic compound calcium fluoride?
a)
2-
b)
1-
c)
0
d)
1+
101.
Which of the following pairs of elements is most likely to form an ionic compound?
a)
magnesium and fluorine
b)
nitrogen and sulfur
c)
oxygen and chlorine
d)
sodium and aluminum
102.
Ionic compounds are normally in which physical state at room temperature?
a)
solid
b)
liquid
c)
gas
d)
plasma
103.
Under what conditions can potassium bromide conduct electricity?
a)
potassium bromide always conducts electricity
b)
only when dissolved
c)
only when it is in crystal form
d)
potassium bromide does not not conduct electricity under any conditi
104.
Which of the following is a cation?
a)
Na1+
b)
Mg
c)
O2-
d)
Br
105.
Which of the following is an anion?
a)
Mg2+
b)
S
c)
O2-
d)
Al
106.
Which of the following elements will most likely not form an ion at all?
a)
Na
b)
O
c)
Ar
d)
Cl
107.
Which of the following molecules contains an ionic bond?
a)
MgCl2
b)
Cl2
c)
SF3
d)
CO2
108.
Which of the following is the correct electron-dot structure for chlorine?
a)
A
b)
B
c)
C
d)
D
109.
Why are atoms neutral (have no charge)?
a)
they have the same number of neutrons and electrons
b)
they have the same number of protons and neutrons
c)
they have the same number of protons and electrons
d)
they are NOT neutral
110.
When an ion is formed, what subatomic particle is added or taken away from the atom?
a)
proton
b)
electron
c)
neutron
d)
photon
111.
Which of the following is the correct name for Fe2S3?
a)
iron (III) sulfide
b)
iron sulfate
c)
iron sulfide
d)
iron (II) sulfide
112.
Which of the following is the correct name for Na2O?
a)
sodium (I) oxide
b)
sodium (II) oxide
c)
sodium oxate
d)
sodium oxide
113.
Which of the following is the correct name for TiBr3?
a)
titanium (III) bromide
b)
titanium bromide
c)
titanium bromate
d)
titanium (I) bromide
114.
In the chemical equation 2Mg + O2 --> 2MgO, the MgO is a
a)
reactant.
b)
product.
c)
coefficient.
d)
subscript.
115.
A balanced chemical equation must have the same number of ____ on both sides of the equation.
a)
atoms
b)
reactants
c)
products
d)
compounds
116.
Which of the following is NOT a balanced equation?
a)
CuCl2 + H2S --> CuS + 2HCl
b)
Ag(NO3) + NaI --> AgI + Na(NO3)
c)
2C2H6 + 7O2 --> 4CO2 + 6H2O
d)
MgO + Fe --> Fe2O3 + Mg
117.
When the equation ____Fe + ____O2 --> ____Fe2O3 is balanced, the coefficient for O2 is
a)
1.
b)
2.
c)
3.
d)
4.
118.
In the chemical equation 2H2O2 --> 2H2O + O2, the H2O2 is a
a)
reactant.
b)
product.
c)
spectator ion.
d)
coefficient.
119.
When the equation ____Ba + ____HCl --> ____BaCl2 + ____H2 is balanced, the coefficient for HCl is
a)
6.
b)
3.
c)
2.
d)
1.
120.
When the equation ____Al2O3 --> ____Al + ____O2 is balanced, the coefficient for Al2O3 is
a)
1.
b)
2.
c)
3.
d)
4.
121.
Which of the following is a balanced chemical equation?
a)
MgF2 + Li2CO3 --> MgCO3 + LiF
b)
CH4 + 2O2 --> CO2 + H
c)
2Al + 6HCl --> 3H2 + AlCl3
d)
P4 + 3O2 --> 2P2O3
122.
Which of the following is the correctly balanced equation for P4 + O2 --> P4O10?
a)
P4 + O10 --> P4O10
b)
2P4 + 5O2 --> P4O10
c)
5P4 + O2 --> (P4O2)5
d)
P4 + 5O2 --> P4O10
123.
Which of the following is the correctly balanced equation for Na + HCl --> H2 + NaCl?
a)
Na + 4HCl --> 2H2 + 4NaCl
b)
Na + 2HCl --> H2 + NaCl2
c)
Na + HCl --> H + NaCl
d)
2Na + 2HCl --> H2 + 2NaCl
124.
An equation is balanced by
a)
changing subscripts.
b)
adding coefficients.
c)
erasing elements as necessary.
d)
adding elements as necessary.
125.
What are the reactants in the following equation?
Zn + CuSO4 --> ZnSO4 + Cu
Zn + CuSO4 --> ZnSO4 + Cu
a)
Zn and Cu
b)
ZnSO4 and Cu
c)
Zn and CuSO4
d)
Zn only
126.
When the equation ____Mg + ____HCl --> ____MgCl2 + ____H2 is balanced, the coefficient for HCl is
a)
1.
b)
2.
c)
3.
d)
4.
127.
What are the missing coefficients for the following skeleton equation?
____N2 + ____H2 --> ____NH3
____N2 + ____H2 --> ____NH3
a)
1, 1, 2
b)
3, 1, 2
c)
1, 3, 2
d)
1, 3, 3
128.
What are the missing coefficients for the following skeleton equation?
____H2 + ____O2 --> ____H2O
____H2 + ____O2 --> ____H2O
a)
2, 2, 2
b)
2, 1, 2
c)
2, 0, 2
d)
1, 1, 1
129.
How many oxygen atoms are in 2NO3?
a)
2
b)
6
c)
3
d)
1
130.
How many oxygen atoms are in 4Al2(CO3)3?
a)
3
b)
9
c)
12
d)
36
131.
How many nitrogen atoms are in 7H(NO3)?
a)
7
b)
1
c)
3
d)
21
132.
The chemicals that are formed in a chemical reaction are called:
a)
reactants
b)
products
c)
neither
d)
both
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