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WorksheetsUnits 1-3 Review
Total questions: 55
Worksheet time: 43mins
Name
Class
Date
1.
A substance made of only one type of atom that cannot be broken down by chemical means
a)
compound
b)
element
c)
electron
d)
molecule
2.
The smallest basic unit of matter is a(n)
a)
element
b)
atom
c)
molecule
d)
speck
3.
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
a)
proton
b)
neutron
c)
electron
d)
valence
4.
A subatomic particle that has no charge and that is found in the nucleus of an atom
a)
electron
b)
neutron
c)
shell
d)
proton
5.
A subatomic particle that has a negative charge and is found in the electron cloud orbiting the nucleus
a)
proton
b)
neutron
c)
electron
d)
atom
6.
An atom that has gained or lost one or more electrons
a)
ion
b)
electron
c)
neutron
d)
bond
7.
Substance made of atoms of different elements that are bonded together in a particular ratio
a)
molecule
b)
compound
c)
charge
d)
electron shell
8.
Anything that takes up space and has mass
a)
Weight
b)
Matter
c)
Chemistry
d)
Mass
9.
If an ion has 17 protons, and 19 electrons, what is the charge of the ion?
a)
+2
b)
-2
c)
17
d)
19
10.
What is a cation's charge?
a)
positive
b)
negative
c)
neutral
d)
depends on the element
11.
What is an anion's charge?
a)
positive
b)
negative
c)
neutral
d)
depends on the element's charge
12.
Choose 3 answers
A mixture...
a)
can contain elements and compounds
b)
is two or more elements bonded together
c)
contains substances that are not chemically bonded
d)
can be separated
e)
is in the periodic table
13.
Choose the elements present in air.
a)
Nitrogen
b)
Carbon dioxide
c)
Water vapour
d)
Oxygen
14.
Potassium-39 has how many neutrons?
a)
19
b)
18
c)
20
d)
21
15.
Isotopes of an element have a different number of...
a)
Protons
b)
Neutrons
c)
Electrons
d)
Mass
16.
Nickel-59 has how many neutrons?
a)
30
b)
31
c)
32
d)
33
17.
Bromine-80 has how many neutrons?
a)
41
b)
42
c)
44
d)
45
18.
76 protons and 114 neutrons
a)
Osmium-114
b)
Osmium-76
c)
Osmium-190
d)
Osmium-190.23
19.
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?
a)
85.468 amu
b)
37 amu
c)
85.6 amu
d)
86.4 amu
20.
Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true?
a)
Sodium is less electronegative than potassium.
b)
Sodium has fewer energy levels than potassium.
c)
Sodium has a larger ionic radius than potassium.
d)
Sodium has lower ionization energy than potassium.
21.
Which of these elements has the greatest atomic radius?
a)
H
b)
N
c)
Cl
d)
Cs
22.
The Periodic Table of the Elements is useful for revealing patterns and trends in the elements. Which statement accurately describes a pattern in the size of atomic radii in the Periodic Table of the Elements?
a)
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
b)
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
c)
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
d)
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
23.
The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?
Which element has the highest electronegativity?
a)
W
b)
X
c)
Y
d)
Z
24.
Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true?
a)
Sodium is less electronegative than potassium.
b)
Sodium has fewer energy levels than potassium.
c)
Sodium has a larger ionic radius than potassium.
d)
Sodium has lower ionization energy than potassium.
25.
Which of these elements has the greatest atomic radius?
a)
H
b)
N
c)
Cl
d)
Cs
26.
The Periodic Table of the Elements is useful for revealing patterns and trends in the elements. Which statement accurately describes a pattern in the size of atomic radii in the Periodic Table of the Elements?
a)
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
b)
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
c)
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
d)
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
27.
The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?
Which element has the highest electronegativity?
a)
W
b)
X
c)
Y
d)
Z
28.
Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons and have a tendency to gain electrons. Which element has the greatest ionization energy and electronegativity?
a)
fluorine
b)
chlorine
c)
bromine
d)
iodine
29.
The ionization potential of an element is the amount of energy required to remove an electron from an isolated atom or molecule. According to the periodic table, which of the following indicates the correct decreasing order of ionization energy?
a)
Li > Na > K > Cs
b)
Na > K > Li > Cs
c)
Li > K > Na > Cs
d)
Cs > K > Na > Li
30.
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
a)
They conduct heat and electricity
b)
They are all gases
c)
They are brittle and dull
d)
They are radioactive
31.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
32.
Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?
a)
beryllium, Be
b)
potassium, K
c)
titanium, Ti
d)
yttrium, Y
33.
The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?
a)
beryllium (Be)
b)
sodium (Na)
c)
oxygen (O)
d)
neon (Ne)
34.
According to the Periodic Table of the Elements, which set of elements has similar properties?
a)
H, C, I
b)
He, H, Al
c)
He, Ne, Ar
d)
Na, Ca, Al
35.
What is the family name of this group of elements?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Alkali Earth Metals
36.
Which element has 2 valence electrons?
a)
cesium (Cs)
b)
magnesium (Mg)
c)
boron (B)
d)
argon (Ar)
37.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
38.
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)
39.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium
c)
francium
d)
cesium
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.
Metals have the largest -
a)
atomic radius and electronegativity
b)
electronegativity and ionization energy
c)
atomic radius only
d)
ionization energy and atomic radius
42.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
43.
As you move down the periodic table atoms get bigger. This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
44.
The ionization potential of an element is the amount of energy required to remove an electron from an isolated atom or molecule. According to the periodic table, which of the following indicates the correct decreasing order of ionization energy?
a)
Li > Na > K > Cs
b)
Na > K > Li > Cs
c)
Li > K > Na > Cs
d)
Cs > K > Na > Li
45.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
46.
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
a)
They conduct heat and electricity
b)
They are all gases
c)
They are brittle and dull
d)
They are radioactive
47.
Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?
a)
beryllium, Be
b)
potassium, K
c)
titanium, Ti
d)
yttrium, Y
48.
According to the Periodic Table of the Elements, which set of elements has similar properties?
a)
H, C, I
b)
He, H, Al
c)
He, Ne, Ar
d)
Na, Ca, Al
49.
What is the family name of this group of elements?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Alkali Earth Metals
50.
Which element has 2 valence electrons?
a)
cesium (Cs)
b)
magnesium (Mg)
c)
boron (B)
d)
argon (Ar)
51.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
52.
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)
53.
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.
54.
Metals have the largest -
a)
atomic radius and electronegativity
b)
electronegativity and ionization energy
c)
atomic radius only
d)
ionization energy and atomic radius
55.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
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