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Worksheets2023 Physical Science Chemistry Review
Total questions: 68
Worksheet time: 47mins
Name
Class
Date
1.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
2.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
3.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
4.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
5.
Which of the following has all of the subatomic particles that make up an atom?
a)
Protons, Nucleus, Electrons
b)
Neutrons, Nucleus, Protons
c)
Electrons, Quarks, Protons
d)
Electrons, Protons, Neutrons
6.
An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
a)
15
b)
31
c)
16
d)
47
7.
An atom has an atomic number of 30 and a mass number of 65. How many neutrons are in the atom?
a)
30
b)
65
c)
35
d)
95
8.
What is the Atomic Number?
a)
7
b)
6.941
c)
3
d)
6
9.
How many Electrons are in a neutral atom of Lithium?
a)
3
b)
6
c)
7
d)
6.941
10.
The atomic number of an atom is _____________________.
a)
The mass of the atom
b)
The number of protons added to the number of neutrons
c)
The number of protons
d)
Negatively charged
11.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
12.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and mass number
13.
This term describes what is produced in a chemical reaction.
a)
compounds
b)
chemicals
c)
reactants
d)
products
14.
What type of bond forms between a metal and a nonmetal?
a)
covalent
b)
metallic
c)
ionic
d)
reaction
15.
What type of bond is shown in the picture?
a)
synthetic
b)
metallic
c)
ionic
d)
covalent
16.
Which family/group of elements has a full set of valence electrons and is completely nonreactive?
a)
Alkali Metals
b)
Noble Gases
c)
Transition metals
d)
Halogens
17.
Which term describes matter's ability to transfer heat or electricity?
a)
Malleability
b)
Luster
c)
Conductivity
d)
Color
18.
In the periodic table elements are arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
19.
Each row in the periodic table is called a
a)
group
b)
period
c)
cluster
d)
unit
20.
Each column in the periodic table is called a
a)
period
b)
group/family
c)
cluster
d)
unit
21.
Which group/family of the periodic table is composed of inert (not reactive) gases? They are the ones boxed in in red in the picture.
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
22.
The blue elements are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
23.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
24.
An isotope is the same element with a different number of...?
a)
Protons
b)
Neutrons
c)
Electrons
25.
Which of the following is NOT a property of metals?
a)
conductive
b)
malleable
c)
lustrous
d)
brittle
26.
The number of valence electrons an atom wants to have to be stable
a)
1
b)
4
c)
5
d)
8
27.
One atom shares one or more electrons with one or more atoms
a)
covalent bond
b)
ionic bond
c)
metallic bond
d)
electronic bond
28.
Type of reaction in which two or more substances combine to form another substance
a)
synthesis
b)
decomposition
c)
single-replacement
d)
double-replacement
29.
Type of reaction that occurs when one substance breaks down into two or more substances
a)
synthesis
b)
decomposition
c)
single-replacement
d)
double-replacement
30.
Which of the following is NOT one of the 4 states of matter?
a)
solid
b)
gel
c)
plasma
d)
gas
31.
Which of the following would be most appropriate for measuring the volume of a small, irregular solid?
a)
Flask
b)
Graduated Cylinder
c)
Evaporating Dish
d)
Balance Beam
32.
The pictures below show the position of different elements on the periodic table. Which pricture has an X in the locations of the three elements that would be most similar in the way they react?
a)
A
b)
B
c)
C
d)
D
33.
These pictures show the changes that occur as a solid becomes a gas. What is added to a substance to cause these changes?
a)
force
b)
elements
c)
molecules
d)
energy
34.
Aluminum (Al) has three electrons in its outer shell. Oxygen (O) needs two electrons to complete its outer shell. What is the chemical formula for aluminum oxide?
a)
AlO
b)
AlO2
c)
Al2O
d)
Al2O3
35.
How many protons and electrons are in a copper ion that has a charge of +2?
a)
27 protons, 29 electrons
b)
27 protons, 31 electrons
c)
29 protons, 27 electrons
d)
29 protons, 31 electrons
36.
Which of the following was joined by covalent bonding?
a)
PCl3
b)
NaBr
c)
Li2S
d)
MgCl2
37.
In making a pizza, which process involves a chemical change?
a)
mixing spices for the sauce
b)
baking the dough to form the crust
c)
slicing pepperoni for the topping
d)
spreading cheese on the pizza
38.
Which type of reaction is shown?
a)
A
b)
B
c)
C
d)
D
39.
Which of the following statements describes the difference between endothermic and exothermic chemical reactions?
a)
A
b)
B
c)
C
d)
D
40.
In general, metals react by ___.
a)
sharing valence electrons
b)
gaining valence electrons
c)
losing valence electrons
d)
sometimes
gaining and sometimes losing valence electrons
41.
The pH of milk is 6.4. Based on this information, which of the following statements best describes milk?
a)
Very Basic
b)
Slightly Basic
c)
Very Acidic
d)
Slightly Acidic
42.
Which group or family of the periodic table will not naturally form compounds with any atom?
a)
Halogens
b)
Nobel Gases
c)
Alkali Metals
d)
Alkaline Earth Metals
43.
Which group or family of the periodic table will not naturally form compounds with any atom?
a)
Halogens
b)
Nobel Gases
c)
Alkali Metals
d)
Alkaline Earth Metals
44.
Which best represents how electrons are arranged in the energy levels of a carbon atom?
a)
First energy level = 1 electron Second energy level = 5 electrons
b)
First energy level = 3 electrons Second energy level = 3 electrons
c)
First energy level = 2 electrons Second energy level = 4 electrons
d)
First energy level = 4 electrons Second energy level = 2 electrons
45.
A substance has a mass of 24.5 g and a volume of 10.1cm3. What is the density of the substance?
a)
247.5 g/cm3
b)
14.4 g/cm3
c)
34.6 g/cm3
d)
2.43 g/cm3
46.
The graph shown represents the uniform cooling of a sample of a substance, starting with the substance as a gas above its boiling point. Which segment of the curve represents a time when both the liquid and solid phases are present?
a)
EF
b)
BC
c)
CD
d)
DE
47.
Once sodium becomes an ion it is considered a?
a)
anion
b)
cation
c)
neutral atom
d)
none of the above
48.
Like salt, what other compound might come together by ionic bonding?
a)
CO2
b)
SiCl4
c)
MgBr2
d)
NO
49.
When potassium sulfide forms, what is its correct chemical formula?
a)
K2S
b)
KS
c)
KS2
d)
K2S2
50.
Is toothpaste (pH=8.5) an acid or a base?
a)
Acid
b)
Base
51.
Acids have a high concentrations of H+ ions.
a)
True
b)
False
52.
Bases have a high concentration of what type of ions?
a)
H+
b)
OH-
53.
How many electrons can the 2nd energy level hold ?
a)
2
b)
4
c)
8
d)
16
54.
____________ can move from one energy level to another when they gain or lose energy.
a)
electrons
b)
protons
c)
neutrons
d)
atoms
55.
Which coefficient will balance the following equation?
Zn + ___ HCl --> ZnCl2 + H2
Zn + ___ HCl --> ZnCl2 + H2
a)
2
b)
6
c)
4
d)
3
56.
Name ALL the evidences that show a chemical reaction has occurred.
a)
color, gas, light
b)
light, precipitate, odor,
c)
color, gas, light, temperature, precipitate
d)
temperature, smell, light, conductivity, taste
57.
What two quantities are needed to calculate density?
a)
weight and mass
b)
mass and volume
c)
temperature and mass
d)
volume and temperature
58.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
59.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
60.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
61.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
62.
In chemical compounds, covalent bonds form when
a)
the electronegativity difference between two atoms is very large.
b)
electrons are completely transferred between two metals.
c)
pairs of electrons are shared between two nonmetal atoms.
d)
two nonmetal atoms are attracted to each other by opposite charges.
63.
An ionic bond forms when
a)
Valence electrons are shared
b)
a sea of mobile electrons surround the cations
c)
valence electrons are transferred between atoms
d)
none of the above
64.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
65.
What is the same within each group on the periodic table?
a)
the number of protons
b)
the number of electrons
c)
the number of atoms
d)
the number of valence electrons
66.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
67.
The table below shows the pH of several solutions. Which solution has the greatest concentration of H+ ions?
a)
vinegar
b)
milk
c)
water
d)
bleach
68.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
decay
d)
gamma radiation
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