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WorksheetsChem I Unit 5 Review - 2025
Total questions: 80
Worksheet time: 2hrs 3mins
Name
Class
Date
1.
what is the biggest group on the table
a)
metals
b)
nonmetals
c)
metaloids
d)
halogens
2.
how many rows are on the table
a)
4
b)
5
c)
6
d)
7
3.
how many groups/families are on the table
a)
15
b)
16
c)
17
d)
18
4.
what is the name of group number 1
a)
halogens
b)
noble gases
c)
alkali
d)
alkaline earth
5.
what is the name of group number 2
a)
transition metals
b)
halogens
c)
metaloids
d)
alkaline earth
6.
what is the big group of metals called found within the metals
a)
transition metals
b)
nonmetals
c)
noble gases
d)
halogens
7.
where are the metaloids found
a)
far left, vertical
b)
stair step/diagonal
c)
far right horizontal
d)
at the bottom
8.
what group number are the halogens
a)
18
b)
1
c)
2
d)
17
9.
what group number are the noble gases
a)
17
b)
18
c)
14
d)
15
10.
what is the small group of elements called that include C,N,O
a)
metals
b)
nonmetals
c)
metaloids
d)
noble gases
11.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
12.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
13.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
14.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
15.
If an atom had the same properties as fluorine (F), it would probably be located in
a)
period 1.
b)
period 2.
c)
group 2.
d)
group 17.
16.
Atoms with similar properties are most likely located...
a)
in the same period.
b)
in the same group.
c)
in different periods.
d)
to the right and left of each other.
17.
What is the element symbol for boron?
a)
B
b)
Bo
c)
Bn
d)
W
18.
Each element is unique based on its number of protons, also known as the...
a)
atomic mass
b)
valence number
c)
atomic symbol
d)
atomic number
19.
Group Name and Number for Neon
a)
Alkaline Earth Metals 2 or 2A
b)
Noble Gases 18 or 8A
c)
Halogens 17 or 7A
d)
Alkali Metals 1 or 1A
20.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
21.
Who first developed the Periodic Table?
a)
Mendeleev
b)
Mosely
c)
Mendella
d)
Murphy
22.
As you move down a group, atomic radius increases because -
a)
you add more and more neutrons
b)
you add more and more protons
c)
you add more and more shells (energy levels)
d)
you add more atomic mass
23.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
24.
As you move across the periodic table from left to right, the atomic radius decreases. This is because -
a)
the number of protons increases, so attraction to electrons increases
b)
the number of energy levels increases
c)
the number of electrons increases
d)
the atomic mass increases
25.
The atom with the largest atomic radius in Period 4 (row 4) is -
a)
K
b)
Kr
c)
Fe
d)
Fe
26.
Francium (Fr) has the lowest ionization energy in Group 1 because -
a)
it has the smallest number of valence electrons
b)
it has the greatest atomic mass
c)
it has the greatest number of protons, so it attracts its electrons the strongest
d)
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it
27.
The element with the smallest ionization energy in Period 6 is -
a)
Rn
b)
Cs
c)
Os
d)
Tm
28.
The energy required to remove electrons is the definition of:
a)
Electronegativity
b)
Atomic Number
c)
Atomic Radius
d)
Ionization
29.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
30.
What is the name of family I
a)
Alkaline Earth Metals
b)
Boron Family
c)
Alkali Metals
d)
Halogen Family
31.
Families all have similar
a)
Names
b)
atomic numbers
c)
atomic masses
d)
properties
32.
Electronegativity is...
a)
the ability of an atom to attract/ accept electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends.
33.
Which has the greater Electronegativity:
N or C?
N or C?
a)
C
b)
N
34.
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
a)
decreases, increases
b)
increases, increases
c)
increases, decreases
d)
stays the same, increases
35.
Which has the greater EN:
Cl or Al?
Cl or Al?
a)
Cl
b)
Al
36.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
37.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
38.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium
c)
francium
d)
cesium
39.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
40.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends.
41.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
42.
Which statement correctly and completely identifies a trend?
a)
Atomic radius decreases across a period and increases down a group.
b)
Electronegativity decreases across a period and decreases down a group.
c)
Ionization energy increases across a period and increases down a group.
d)
Ionic radius increases across a period and increases down a group.
43.
Which of the following is true for alkaline earth metals as their atomic number increases?
a)
The atomic radius decreases.
b)
Ionization energy decreases.
c)
The number of valence electrons increases.
d)
The Coulombic attraction increases.
44.
Which element has the greater ionization energy?
a)
Strontium
b)
Boron
45.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
46.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
47.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
48.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
49.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
50.
Which of the following is not a property of metals?
a)
brittle
b)
malleable
c)
lustrous
d)
conductive
51.
Name group 1A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
noble gases
d)
halogens
52.
Name group 2A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
d)
transition metals
53.
Name group 8A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
transition metals
d)
noble gases
54.
Name groups 3B - 12B on the periodic table.
a)
noble gases
b)
halogens
c)
metalloids
d)
transition metals
55.
Name group 7A on the periodic table.
a)
transition metals
b)
metalloids
c)
halogens
d)
alkali metals
56.
Which group has the most reactive nonmetals?
a)
alkali metals
b)
noble gases
c)
metalloids
d)
halogens
57.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
58.
Where are the nonmetals located on the periodic table?
a)
top left corner
b)
bottom left corner
c)
top right corner
d)
bottom left corner
59.
The Lanthanide elements are known as the:
a)
Common earth metals
b)
Alkaline earth metals
c)
Rare earth metals
d)
Heavy earth metals
60.
What statement is true about ALL of the elements in Group 18 OR Group 8A?
a)
They ALL have 6 valence electrons.
b)
They ALL are gases at room temperature.
c)
They ALL react easily with other elements.
d)
They ALL form +2 charges.
61.
Which statement is true about the carbon family?
a)
They are all non-metals.
b)
They all have four valence electrons.
c)
They are all metals.
d)
They do not react with other elements.
62.
Which statement is true about the alkaline earth metal family?
a)
They have 2 valence electrons.
b)
They are found on the right side of the periodic table.
c)
They form -2 charges.
d)
They tend to gain valence electrons.
63.
The molar mass of an element is equal to its...
a)
Atomic mass
b)
Atomic number
c)
Oxidation number
d)
Valence electrons
64.
The mass of one mole of substance is called...
a)
molecular mass
b)
mole constant
c)
molar mass
d)
atomic weight
65.
What is the molar mass of sodium?
a)
11
b)
23
c)
45.98
d)
3
66.
What is the molar mass of CO2?
a)
12
b)
16
c)
32
d)
44
67.
How many particles are in a mole?
a)
602
b)
602 million
c)
602 moles
d)
6.02 x 1023
68.
5.11 x 1023 atoms of lithium (Li) is equal to how many moles?
a)
1.18 moles
b)
0.351 moles
c)
1.34 moles
d)
0.849 moles
69.
0.50 moles of carbon (C) is equal to how many grams?
a)
6.0 grams
b)
12.0 grams
c)
8.0 grams
d)
14.0 grams
70.
How many atoms would be contained in 454 grams of iron (Fe)?
a)
6.02 x 1023 atoms
b)
8.14 atoms
c)
4.90 x 1024 atoms
d)
55.85 x 1023 atoms
71.
How many liters would 32.0 moles of Ar gas occupy?.
a)
0.16.78
b)
0.718
c)
78.16 L Ar
d)
716.8 L Ar
72.
How many moles are in 3.7 L of H2 gas?.
a)
0.6 moles
b)
0.2 moles
c)
1.2 moles
d)
7.32 moles
73.
Calculate the volume of 3.44 moles methane, CH4 gas at STP
a)
77.06 L CH4
b)
62.1 L CH4
c)
7.67 L CH4
d)
6.02 L CH4
74.
What is the correct mass for the compound, CaSO4•2H2O?
a)
154.10 g/mol
b)
156.12 g/mol
c)
188.12 g/mol
d)
172.17 g/mol
75.
What is the correct mass for the compound, CrBr3•6H2O?
a)
363.76 g/mol
b)
319.90 g/mol
c)
399.80 g/mol
d)
417.82 g/mol
76.
How many L are required to make 3.5 M hydrochloric acid using 1.1 moles?
a)
3.18 L
b)
0.31 L
c)
3.85 L
d)
4.6 L
77.
If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?
a)
20.9 mol
b)
0.021 mol
c)
0.02 mol
d)
0.0209 mol
78.
All of the following have one significant figure except:
a)
100 cm
b)
0.0001 cm
c)
2 cm
d)
2.00 cm
79.
How many sig figs are there?
0.000008
0.000008
a)
1
b)
2
c)
6
d)
7
80.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
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