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Worksheets8.P.1.1
Total questions: 184
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
In this diagram, what does the number 12 represent?
a)
An atomic number
b)
A number of electrons
c)
A chemical symbol
d)
Valence Electrons
2.
Which of the labeled structures in this diagram is not found in the nucleus?
a)
only A
b)
A and B
c)
B and C
d)
only C
3.
What tool of scientists is represented in the figure?
a)
The Periodic Table
b)
The Element Chart
c)
Naming the Compounds
d)
Atomic Weights
4.
If we break matter down enough, it is made of a _______ things.
a)
few
b)
broken
c)
middle
d)
empty
5.
Atoms cannot be _______ apart.
a)
broken
b)
few
c)
middle
d)
empty
6.
The nucleus is in the _______ of the atom.
a)
middle
b)
few
c)
broken
d)
empty
7.
The flow of _______ from one atom to another is called electricity.
a)
electrons
b)
molecules
c)
protons
d)
neutrons
8.
Atoms are mostly _______ space.
a)
empty
b)
different
c)
atomic
d)
accelerate
9.
All _______ is made of atoms.
a)
matter
b)
everything
c)
accelerate
d)
broken
10.
Atoms combine to form _______ .
a)
molecules
b)
protons
c)
electrons
d)
nuclear
11.
A scientist can separate water into hydrogen and oxygen gas by running _______ through it.
a)
electricity
b)
everything
c)
carbon
d)
matter
12.
Different atoms have _______ numbers of protons.
a)
different
b)
atomic
c)
accelerate
d)
empty
13.
Elements are arranged in _______ number order on the periodic table.
a)
atomic
b)
nuclear
c)
different
d)
molecules
14.
The atomic number represents the number of _______ in an atom.
a)
protons
b)
electrons
c)
molecules
d)
neutrons
15.
A(n) _______ physicist studies what’s inside of atoms.
a)
nuclear
b)
electricity
c)
molecules
d)
atomic
16.
To smash an atom and separate the neutrons, you must aim an electron at the nucleus and _______ it really fast.
a)
accelerate
b)
everything
c)
nuclear
d)
molecules
17.
It is said that _______ in the universe is made of either matter or energy.
a)
everything
b)
accelerate
c)
nuclear
d)
molecules
18.
There are _______ atoms in every living thing.
a)
carbon
b)
protons
c)
electrons
d)
neutrons
19.
What is at the center of every atom?
a)
a nucleus
b)
an electron
c)
a compound
d)
a molecule
20.
Which two particles make up the nucleus of an atom?
a)
protons and neutrons
b)
protons and electrons
c)
molecules and compounds
d)
neutrons and electrons
21.
What is the role of an electron in an atom?
a)
Electrons circle the nucleus and have a negative charge.
b)
Electrons live inside the nucleus and carry a neutral charge.
c)
Electrons circle the nucleus and have a positive charge.
d)
Electrons live inside the nucleus and have a negative charge.
22.
In an atom, what is the number of protons usually equal to?
a)
the number of electrons
b)
the number of neutrons
c)
the number of molecules
d)
the number of nuclei
23.
Which of the following determines the type of element that an atom makes?
a)
the number of protons
b)
the size of the nucleus
c)
how much the atom weighs
d)
the number of neutrons
24.
What forms when two atoms combine?
a)
a molecule
b)
a nucleus
c)
a proton
d)
an electron
25.
What is a compound?
a)
a molecule that is formed from two or more different types of atoms
b)
a tiny particle that makes up all matter
c)
the center of an atom that is formed by neutrons, protons, and electrons
d)
a molecules that is formed from the same type of atoms
26.
What is the significance of the periodic table of elements?
a)
It predicts and lists all the chemical elements in the universe
b)
It lists all the different metals known to humans
c)
It explains where different atoms can be found
d)
It proves that atoms are the building blocks of matter
27.
What do electrons in the same shell have in common?
a)
They have the same amount of energy
b)
They are all made up of atoms
c)
They are all positively charged
d)
They all have neutral charges
28.
Which of the following is an example of a subatomic particle?
a)
Electron
b)
Carbon
c)
Oxygen
d)
Hydrogen
29.
What might happen if the strong force didn't exist?
a)
Atomic nuclei would fly apart
b)
Electrons would have positive charges
c)
It would be more difficult to split atoms
d)
Neutrons would not exist
30.
What two types of particles exist within an atomic nucleus?
a)
Protons and neutrons
b)
Neutrons and electrons
c)
Protons and neutrinos
d)
Positrons and neutrons
31.
Oxygen has an atomic number of 8. What can you conclude from this fact?
a)
An atom of oxygen has 8 protons.
b)
An atom of oxygen weighs 8 grams.
c)
An atom of oxygen has 4 protons and 4 electrons.
d)
An atom of oxygen has 8 positrons.
32.
The word "atom" comes from a Greek word for "indivisible." In what way are atoms indivisible?
a)
They cannot be broken apart without losing their chemical properties
b)
They cannot be separated once they've bonded with other atoms
c)
They cannot form bonds with other atoms
d)
They cannot gain or lose electrons
33.
How are molecules different from atoms?
a)
They consist of several atoms bonded together.
b)
They do not contain neutrons.
c)
They do not have nuclei.
d)
Their particles do not have electrical charges.
34.
What can you conclude from the fact that electrons orbit far away from atomic nuclei?
a)
Atoms are comprised mostly of empty space
b)
Electrons are extremely small
c)
Protons have a positive charge
d)
Atoms consist of subatomic particles
35.
All matter is made up of tiny particles that are too small to be seen directly through an optical microscope. These tiny particles are known as _______.
a)
atoms
b)
cells
c)
forces
d)
gases
36.
Atoms have mass and take up space. This is because atoms are a type of _______.
a)
matter
b)
physical property
c)
energy
d)
living organism
37.
George is studying a substance that is made out of only one element. This means that
a)
all the atoms in the substance are similar to each other.
b)
the substance does not have any energy.
c)
there are many different types of atoms in the substance.
d)
the substance is too small to be seen with the human eye.
38.
Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?
a)
Hydrogen is an element made of only one kind of atom.
b)
Hydrogen is an element made of two or more kinds of atoms.
c)
Hydrogen is a compound made of two or more kinds of atoms.
d)
Hydrogen is a compound made of only one kind of atom.
39.
Silver is an element. Which of these does the classification "element" suggest about silver?
a)
The atoms of silver are all alike.
b)
The atoms of silver are different sizes.
c)
The atoms of silver are each unique.
d)
The atoms of silver are a gas.
40.
Since air is a type of matter, air must be made out of tiny particles that are called _______.
a)
atoms
b)
grains
c)
pebbles
d)
spots
41.
The element oxygen, represented by the symbol O, is classified as
a)
a pure substance.
b)
a solution.
c)
a mixture.
d)
a compound.
42.
The smallest part of any material is the _______.
a)
atom
b)
fragment
c)
molecule
d)
mineral
43.
What does all matter have in common?
a)
It is made up of atoms.
b)
It is made up of molecules.
c)
It is all solid.
d)
It is too small to see.
44.
What is all matter made up of?
a)
atoms
b)
carbon
c)
metal
d)
cells
45.
What is an element?
a)
a substance made of just one kind of atom that cannot be broken down into something simpler
b)
a substance made up of hydrogen and one other kind of atom
c)
a substance made of just one kind of molecule that cannot be broken down into something simpler
d)
a material that is shiny and usually hard and strong
46.
What is the most general name for any single type of matter that is made from a specific arrangement of atoms?
a)
substance
b)
molecule
c)
solid
d)
element
47.
What is the name for the tiny particles that metal is made out of?
a)
atoms
b)
cells
c)
cubes
d)
stars
48.
What is the smallest particle of an element that still has the same chemical properties?
a)
atom
b)
mixture
c)
molecule
d)
compound
49.
What makes the element named iron (Fe) different from the element named nickel (Ni)?
a)
Atoms of iron are different from atoms of nickel.
b)
Iron is made of atoms but nickel is not.
c)
Iron is a solid but nickel is a gas.
d)
The only difference is the name of the element.
50.
Which is a substance made up of only one kind of atom?
a)
an element
b)
a solution
c)
a mixture
d)
a compound
51.
Which of the following best describes what the 118 known chemical elements combine to form?
a)
all the matter in the Universe
b)
all the cells of living organisms only
c)
all of the heat and light from the Sun
d)
all of the energy on Earth
52.
Which part of a material is too small to be seen without being magnified greatly?
a)
an atom
b)
a granule
c)
a bit
d)
a pebble
53.
When a mixture contains substances that are not evenly mixed, what is it called?
a)
Heterogeneous mixture
b)
Disharmonic mixture
c)
Homogeneous mixture
d)
Substantial mixture
54.
What is a compound?
a)
Two or more elements that have chemically bonded together.
b)
Any substance with more then two atoms.
c)
Any chemical process involving oxygen.
d)
One element consisting of chemically bonded atoms.
55.
Dissolving sugar in water leads to what kind of type of mixture?
a)
Homogeneous mixture
b)
Heterogeneous mixture
c)
Syrup
d)
Isotonic water
56.
If a substance has a large mass and a small volume, what can you conclude about it?
a)
It's very dense
b)
It will float on water
c)
It is made out of rock or metal
d)
It has a low density
57.
What is the difference between weight and mass?
a)
Weight depends on gravity and mass is constant.
b)
Weight depends on density and mass depends on gravity.
c)
Weight depends on gravity and mass depends on volume.
d)
Mass depends on gravity and weight is constant.
58.
Which of the following units is rarely, if ever, used in science labs?
a)
Quart
b)
Centimeter
c)
Gram
d)
Milliliter
59.
If you wanted to measure an irregular object's volume, which of the following devices could you use?
a)
Graduated Beaker
b)
Digital Scale
c)
Ruler
d)
Speedometer
60.
One side of a cube is 5 cm long. What is the cube's volume?
a)
125 cubic cm
b)
5 cubic cm
c)
15 cubic cm
d)
25 cubic cm
61.
In the context of the science concept "matter", what is the best synonym for "property?"
a)
Attribute
b)
Possession
c)
Virtue
d)
Quantity
62.
What is always true of an object with a lot of mass?
a)
It contains a lot of matter
b)
It has a large volume
c)
It has a high density
d)
It cannot be accurately measured
63.
Which of the following is a measurement of an object's mass?
a)
10 kilograms
b)
10 centimeters
c)
10 newtons
d)
10 grams per cubic cm
64.
What is the relationship between cubic centimeters and milliliters?
a)
They are equivalent
b)
Cubic centimeters measure length; milliliters measure volume
c)
They are both dependent on an object's mass
d)
They are both unrelated to an object's density
65.
If an object's mass is 50 g, and its volume is 10 cubic cm, what is its density?
a)
5 g/cubic cm
b)
500 g/cubic cm
c)
60 g/cubic cm
d)
40 g/cubic cm
66.
Which property of matter depends on gravity?
a)
Weight
b)
Mass
c)
Both
67.
Which property of matter is measured in grams?
a)
Mass
b)
Weight
c)
Both
68.
Which is a physical property of matter?
a)
Both
b)
Mass
c)
Weight
69.
Which property of matter is measured in Newtons?
a)
Weight
b)
Mass
c)
Both
70.
Which property of matter is constant throughout the universe?
a)
Mass
b)
Weight
c)
Both
71.
Which property of matter is measured with a scale?
a)
Both
b)
Mass
c)
Weight
72.
Volume measures the amount of space occupied by an object.
a)
true
b)
false
73.
Volume can be measured in liters or cubic centimeters.
a)
true
b)
false
74.
Volume equals the displacement of an object in liquid.
a)
true
b)
false
75.
Volume lacks physical dimensions.
a)
false
b)
true
76.
Volume does not apply to liquids.
a)
false
b)
true
77.
Volume applies only to objects with regular shapes.
a)
false
b)
true
78.
Which of the following has the greatest density?
a)
0.275 grams, 0.1 cubic centimeters
b)
0.5 grams, 5 cubic centimeters
c)
1.6 grams, 2 milliliters
d)
80 grams, 80 milliliters
79.
Which of the following has the greatest density?
a)
3.5 grams, 1 cubic centimeter
b)
1.6 grams, 2 milliliters
c)
0.5 grams, 5 cubic centimeters
d)
0.275 grams, 0.1 cubic centimeters
80.
Which of the following has the greatest density?
a)
15 grams, 3 cubic centimeters
b)
80 grams, 80 milliliters
c)
0.275 grams, 0.1 cubic centimeters
d)
3.5 grams, 1 cubic centimeter
81.
Students studying solid-state physics are discussing the microscopic structure of materials. Which student’s statement correctly identifies the nature of these materials?
a)
Material Y would be classified as a crystalline solid because atoms are in a highly ordered three-dimensional arrangement.
b)
Material X would be classified as a crystalline solid because atoms are in a highly ordered three-dimensional arrangement.
c)
Material X would be classified as an amorphous solid because atoms are in a highly ordered three-dimensional arrangement.
d)
Material Y would be classified as an amorphous solid because atoms are in a highly ordered three-dimensional arrangement.
82.
Structural differences between different chemicals can be represented in models of the particles. Which drawing BEST represents a compound?
a)
A
b)
B
c)
C
d)
D
83.
What number and types of atoms occur in the formula unit shown?
a)
1 calcium atom, 2 nitrogen atoms, and 6 oxygen atoms
b)
1 carbon atom, 1 neon atom, and 6 oxygen atoms
c)
1 calcium atom, 2 neon atoms, and 3 oxygen atoms
d)
1 carbon atom, 1 nitrogen atom, and 3 oxygen atoms
84.
The table shows several minerals found in Earth's crust. Based on the information in the table, which mineral is also an element?
a)
graphite
b)
quartz
c)
calcite
d)
hematite
85.
How many atoms are in one formula unit of the compound shown?
a)
5
b)
11
c)
15
d)
26
86.
How many atoms of oxygen are in a molecule of glucose?
a)
6
b)
1
c)
12
d)
24
87.
How many atoms are in one formula unit of magnesium hydroxide?
a)
5
b)
6
c)
4
d)
3
88.
The compound potassium sulfate is composed of
a)
2 atoms of potassium, 1 atom of sulfur, and 4 atoms of oxygen.
b)
2 atoms of potassium, 4 atoms of sulfur, and 4 atoms of oxygen.
c)
two molecules of potassium and one molecule of sulfate.
d)
one molecule of potassium and two molecules of sulfate
89.
A student is testing a solid material to determine whether it is a pure substance or a mixture. Which observation would MOST likely indicate that the material is a mixture?
a)
The material has crystals of two different colors.
b)
The material does not dissolve completely in water.
c)
The material does not melt when it is heated over a burner.
d)
The material reacts with an acid solution to form bubbles of gas.
90.
A student passes a magnet over 10 grams of a powder. Four grams of the powder stick to the magnet, while 6 grams do not. Which of these identifies the substance?
a)
mixture
b)
element
c)
compound
d)
solution
91.
Which type of matter can be separated by physical means?
a)
mixture
b)
atom
c)
element
d)
compound
92.
Which of the following is an example of a compound?
a)
water
b)
copper
c)
iron
d)
carbon
93.
What is the smallest unit of an element that retains the properties of that element?
a)
atom
b)
electron
c)
molecule
d)
neutron
94.
Which substance is composed of only one type of atom?
a)
gold
b)
water
c)
salt
d)
sugar
95.
Which term correctly describes salt water, vinegar, bronze, air, beach sand?
a)
mixtures
b)
compounds
c)
solutions
d)
elements
96.
What is the smallest unit of an element that still retains the element’s properties?
a)
an atom
b)
a proton
c)
a crystal
d)
a molecule
97.
Which of the following results when hydrogen and chlorine chemically bond to form hydrogen chloride?
a)
a compound
b)
a mixture
c)
a solution
d)
a precipitate
98.
When table salt (NaCl) is produced, which of the following BEST describes the actions of the sodium (Na) and chlorine (Cl) atoms?
a)
Sodium and chlorine atoms bond chemically.
b)
Sodium atoms replace chlorine atoms.
c)
Sodium and chlorine atoms mix together.
d)
Sodium atoms dissolve in chlorine atoms.
99.
Since sodium chloride is classified as a compound, a sample of it contains
a)
more than one kind of atom.
b)
atoms that are gases, liquids, and solids.
c)
matter that cannot be reduced to atoms.
d)
a solution of atoms and molecules.
100.
Which compound does NOT contain individual molecules?
a)
salt
b)
water
c)
hydrogen gas
d)
carbon monoxide
101.
Scientists can identify an element by looking at the structure of a single
a)
atom.
b)
neutron.
c)
molecule.
d)
electron.
102.
What is formed when a sodium atom and chlorine atom react chemically?
a)
a compound
b)
an element
c)
an electron
d)
a neutron
103.
Sodium (Na) and chlorine (Cl) combine to form sodium chloride (NaCl), which is commonly known as
a)
table salt.
b)
soap.
c)
vinegar.
d)
baking soda.
104.
A researcher uses several procedures to separate a rock sample into different chemicals. A mass of 50 grams of one chemical is produced. If this chemical cannot be separated into other chemicals, then it is BEST described as
a)
an element.
b)
a compound.
c)
a mixture.
d)
a solution.
105.
What is the ability of an object to carry heat?
a)
conductivity
b)
heatability
c)
solubility
d)
radiation
106.
Mass per unit of volume is the formula to calculate which property of an object?
a)
density
b)
gravity
c)
boiling point
d)
mass
107.
Mass is a
a)
size-dependent property
b)
size-independent property
c)
chemical property
d)
method of measuring weight
108.
Solubility is a
a)
size-independent property
b)
size-dependent property
c)
chemical property
d)
method of measuring density
109.
What is mass?
a)
the amount of matter contained in an object
b)
the amount of energy contained in an object
c)
pull of gravity on an object
d)
Mass is another word for weight.
110.
Mass is a
a)
size-dependent property
b)
size-independent property
111.
Solubility is a
a)
size-independent property
b)
size-dependent property
112.
Volume is a
a)
size-dependent property
b)
size-independent property
113.
Height is a
a)
size-dependent property
b)
size-independent property
114.
Density is a
a)
size-independent property
b)
size-dependent property
115.
Length is a
a)
size-dependent property
b)
size-independent property
116.
The ability to attract a magnet is a
a)
size-independent property
b)
size-dependent property
117.
Boiling point is a
a)
size-independent property
b)
size-dependent property
118.
Melting point is a
a)
size-independent property
b)
size-dependent property
119.
Color is a
a)
size-independent property
b)
size-dependent property
120.
Phase is a
a)
size-independent property
b)
size-dependent property
121.
Width is a
a)
size-dependent property
b)
size-independent property
122.
When does a physical change occur?
a)
when the size, shape, or state of matter changes
b)
when molecules combine to form a compound
c)
when a new element is created
d)
when elements combine to form a molecule
123.
Which type of change can be reversed?
a)
a physical change
b)
a chemical change
c)
a molecular change
d)
an electric change
124.
Which of the following would cause the molecules in matter to change?
a)
extreme heat
b)
a moderate climate
c)
pressure
d)
motion
125.
If a substance changes color, what has most likely happened?
a)
A chemical change has taken place.
b)
A pressurized change has taken place.
c)
A physical change has taken place.
d)
Nothing has taken place.
126.
Stepping on a bag of potato chips would cause which type of change?
a)
physical
b)
mechanical
c)
thermal
d)
chemical
127.
Which of the following is a clue that a chemical change has taken place?
a)
A gas forms when the change takes place.
b)
The substance is smaller than it was before the change took place.
c)
The substance has been shaken up.
d)
The substance looks the same as it did before the change took place.
128.
What is the difference between a physical change and a chemical change?
a)
A chemical change is will form a new substance.
b)
A physical change can only occur in liquids.
c)
A physical change will form a new substance.
d)
A chemical change can only occur in a liquid.
129.
Which of the following statements is true about the lithium and the helium atoms?
a)
Lithium has more protons, neutrons, and electrons.
b)
There is no difference between helium and lithium.
c)
Helium has more protons, neutrons, and electrons.
d)
Lithium is much smaller than helium.
130.
In this model of an atom the blue dots represent electrons, and the red dot represents the nucleus. This model accurately represents
a)
that the nucleus is located at the center of the atom.
b)
what an atom would look like when seen through a microscope.
c)
that electrons are found everywhere in an atom, even in the nucleus.
d)
that a single atom may have many nuclei.
131.
An atom with an equal number of electrons and protons has no ______.
a)
charge
b)
reactivity
c)
weight
d)
neutrons
132.
Neutrons are neutral. This means that
a)
neutrons do not have a charge.
b)
neutrons are neither acidic nor basic.
c)
neutrons are not involved in chemical reactions.
d)
neutrons do not have mass.
133.
An uncharged atom has six electrons. The nucleus of this atom must contain _______ protons.
a)
six
b)
eight
c)
seven
d)
five
134.
The smallest particles that make up matter
a)
are too small to be seen with the unaided eye.
b)
are about the size of pinheads.
c)
can be seen with the unaided eye only at certain temperatures.
d)
are about the size of marbles.
135.
Which of these is the part of an atom that contains the protons and neutrons?
a)
nucleus
b)
electron
c)
shell
d)
orbital
136.
An atom has at least one positive proton and at least one negative electron. Which of the following is true about the protons and electrons in an atom?
a)
Protons and electrons are far apart with empty space in between.
b)
Protons and electrons orbit close together around a central nucleus.
c)
Protons and electrons are mixed together in a cloud.
d)
Protons and electrons are stuck together in neutral pairs.
137.
Within an atom, electrons
a)
are in motion outside the nucleus.
b)
are outside the nucleus and are motionless.
c)
are in motion inside the nucleus.
d)
are inside the nucleus and are motionless.
138.
What atoms are present in the molecule calcium carbonate (CaCO3)?
a)
one calcium atom, one carbon atom, and three oxygen atoms
b)
one calcium atom, one carbon atom, and two oxygen atoms
c)
two calcium atoms, two carbon atoms, and three hydrogen atom
d)
one calcium atom and three carbon atoms
139.
Which part of an atom has a negative charge?
a)
electron
b)
nucleus
c)
proton
d)
neutron
140.
What part of an atom exists in orbitals surrounding the nucleus?
a)
electron
b)
neutron
c)
photon
d)
proton
141.
The atomic symbols of nitrogen and oxygen are N and O, respectively. The chemical formula of a particular substance is NO2. Which of the following is a correct description of the substance?
a)
a compound made up of 1 nitrogen atom and 2 oxygen atoms
b)
an element made up of 1 nitrogen atom and 1 oxygen atom
c)
an element made up of 2 nitrogen atoms and 2 oxygen atoms
d)
a compound made up of 2 nitrogen atoms and 2 oxygen atoms
142.
Which of the following make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons only
c)
neutrons only
d)
protons and electrons
143.
___________ have a charge of +1.
a)
Protons
b)
Atoms
c)
Electrons
d)
Elements
144.
What is oxygen's atomic number?
a)
8
b)
O
c)
15.994
d)
6A
145.
How many protons are in one atom of sodium (Na)?
a)
11
b)
7
c)
22
d)
1
146.
An unknown atom has 32 protons. What is the unknown atom?
a)
germanium (Ge)
b)
sodium (Na)
c)
carbon (C)
d)
sulfur (S)
147.
How many protons are in the nucleus of calcium (Ca)?
a)
20
b)
10
c)
40
d)
40.08
148.
How many protons are in one atom of potassium (K)?
a)
19
b)
18
c)
38
d)
1
149.
What is the average atomic mass of fluorine?
a)
18.9984 a.m.u
b)
7A a.m.u
c)
12.011 a.m.u
d)
9 a.m.u
150.
All atoms of a specific element have the same number of _______.
a)
protons
b)
electrons
c)
neutrons
d)
ions
151.
Which element on the periodic table contains 11 protons?
a)
sodium
b)
boron
c)
aluminum
d)
copper
152.
Which of the following elements has the greatest atomic mass?
a)
phosphorus
b)
nitrogen
c)
silicon
d)
lithium
153.
Mercury is an element. Which of the following would be the same for all atoms of mercury?
a)
the number of protons
b)
the total number of protons and neutrons
c)
the number of electrons
d)
the number of neutrons
154.
What is the chemical symbol for mercury?
a)
Hg
b)
Na
c)
H
d)
Cl
155.
What is the chemical symbol for sodium?
a)
Na
b)
Hg
c)
H
d)
Cl
156.
What is the chemical symbol for nitrogen?
a)
N
b)
Na
c)
H
d)
Cl
157.
Most of the nonmetals on the periodic table are located
a)
III only
b)
I only
c)
I and II only
d)
I, II, and III
158.
Based on trends in the periodic table, which of these elements could be added to the column of less reactive elements in this table?
a)
palladium (Pd)
b)
calcium (Ca)
c)
lithium (Li)
d)
nitrogen (N)
159.
At standard temperature and pressure, the element with the chemical symbol _______ is a liquid.
a)
Hg
b)
Ne
c)
Ag
d)
Li
160.
Elements are arranged in the periodic table based on various patterns. For example, the element magnesium (Mg)
a)
has a higher atomic mass than the element sodium (Na).
b)
has a lower atomic mass than the element beryllium (Be).
c)
has a higher atomic mass than the element calcium (Ca).
d)
all of these
161.
Which of the following groups of elements should have very different chemical properties?
a)
potassium (K), aluminum (Al), neon (Ne)
b)
helium (He), neon (Ne), argon (Ar)
c)
lithium (Li), sodium (Na), potassium (K)
d)
beryllium (Be), magnesium (Mg), calcium (Ca)
162.
What kind of elements are on the right side of the zig-zag line on the periodic table?
a)
nonmetals
b)
gases
c)
liquids
d)
metals
163.
_______ created the periodic table by arranging the elements in a grid according to their properties.
a)
Dmitri Mendeleev
b)
Johannes Kepler
c)
Albert Einstein
d)
Gregor Mendel
164.
Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which other element would also have those same properties?
a)
xenon (Xe)
b)
carbon (C)
c)
selenium (Se)
d)
chlorine (Cl)
165.
Which of the following groups of elements should have very similar chemical properties?
a)
lithium (Li), sodium (Na), potassium (K)
b)
carbon (C), iodine (I), hydrogen (H)
c)
manganese (Mn), magnesium (Mg), molybdenum (Mo)
d)
potassium (K), aluminum (Al), neon (Ne)
166.
How are elements organized on the periodic table?
a)
by atomic number
b)
by atomic weight
c)
alphabetically
d)
by electron number
167.
Which of the following statements is true?
a)
There are more metals than nonmetals on the periodic table.
b)
There are more nonmetals than metals on the periodic table.
c)
There is an equal number of metals and nonmetals on the periodic table.
d)
The metals on the periodic table are usually found as gases.
168.
Based on the positions (Group 1) of sodium (Na) and potassium (K) in the table, Tracy can predict that sodium
a)
has many of the same properties as potassium.
b)
is less abundant than potassium.
c)
has very different properties from those of potassium.
d)
is more abundant than potassium.
169.
Elements are arranged in the periodic table based on various patterns. For example, elements found in the rows near the top
a)
have lower atomic numbers than the elements in the rows near the bottom.
b)
have higher atomic numbers than the elements in the rows near the bottom.
c)
have the same atomic numbers as the elements in the rows near the bottom.
d)
all have the same atomic number.
170.
Which group contains the most reactive metals?
a)
group 1
b)
group 3
c)
group 17
d)
group 18
171.
Which group contains nonreactive gases?
a)
group 18
b)
group 17
c)
group 3
d)
group 1
172.
If the substances on the LEFT side of the arrow are the reactants , then the reactants contain 2 pure substances , 1 compound, and 0 elements.
a)
False
b)
True
173.
If the substances on the RIGHT side of the arrow are the products, then the products contain 2 pure substances and 2 compounds
a)
True
b)
False
174.
What is the best conclusion regarding items II and IV?
a)
Both are two or more different elements chemically combined.
b)
Items II is a compound and IV is an element
c)
Items IV contain more atoms than Item II.
d)
Both are one kind of atom chemically combined.
175.
Which diagram above best represents a substance that contains one type of atom?
a)
I, III
b)
III only
c)
II, III
d)
II and IV
176.
Which example is not related to a pure substance with two or more different kinds of atoms?
a)
IV
b)
I, IV
c)
II only
d)
I, III
177.
How are the following substances similar?
a)
Substance A has the same elements as Substance B.
b)
Substance B has same total atoms as Substance A.
c)
None of the above is true.
d)
Substance A has the same amount of oxygen as Substance B.
178.
How is substance B different from Substance A?
a)
Substance B has one more atom of oxygen than substance A.
b)
Substance A has more total atoms.
c)
None of the above is correct.
d)
Substance B has different elements.
179.
A compound is a pure substance with two or more different atoms chemically combined. Which example best represents this statement?
a)
CO
b)
Co
c)
O3
d)
Helium
180.
Elements are pure substances made of one kind of atom, represented by a chemical symbol. Which example best represents the following statement?
a)
O
b)
NaCl
c)
H2O
d)
CO
181.
Which chemical formula would contain the element Lithium?
a)
LiF
b)
Al
c)
Ni
d)
C6H12O8
182.
In the chemical formula CHOOH, how many different elements are present?
a)
3
b)
1
c)
2
d)
5
183.
Which is the BEST example of a pure substance?
a)
gold
b)
milk
c)
peanuts
d)
air
184.
Which symbol correctly represents Gold as a pure substance?
a)
Au
b)
Ag
c)
Ge
d)
AU
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