Jeopardy

1
Jeopardy
Atoms
Nature of Matter
Radio- activity
Periodic Table
Phases of Matter
Q 100
Q 100
Q 100
Q 100
Q 100
Q 200
Q 200
Q 200
Q 200
Q 200
Q 300
Q 300
Q 300
Q 300
Q 300
Q 400
Q 400
Q 400
Q 400
Q 400
Q 500
Q 500
Q 500
Q 500
Q 500
Final Jeopardy
2
100 Question from Atoms
What are the numbers of protons, neutrons, and
electrons in an isotope of titanium with a mass
number of 50?
22 p, 22 n, 28 e 28 p, 22 n, 22 e 50 p, 22 n, 50
e 22 p, 28 n, 22 e
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100 Answer from Atoms
22 p, 28 n, 22 e
4
200 Question from Atoms
A. 88 B. 132 C. 220 D. 308
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200 Answer from Atoms
88
6
300 Question from Atoms
What are shared in covalent bonds? A. Cations B.
Protons C. Electrons D. Anions
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300 Answer from Atoms
Electrons
8
400 Question from Atoms
When compared to sulfur-32, sulfur-34 has more
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400 Answer from Atoms
neutrons
10
500 Question from Atoms
Which compound has a covalent bond?

1. CaI 2
2. KBr
3. NaCl
4. NO

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500 Answer from Atoms
NO
12
100 Question from Nature of Matter
The picture shows a cube that contains 20 mL of a
solution. The solution has a mass of 40 grams.
What is the density in g/mL of this solution?
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100 Answer from Nature of Matter
2g/ml
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200 Question from Nature of Matter
Which of the following chemical equations is
balanced correctly? .
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200 Answer from Nature of Matter
16
300 Question from Nature of Matter
The figure below represents a reaction.
What type of reaction is shown?
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300 Answer from Nature of Matter
synthesis
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400 Question from Nature of Matter
Under certain conditions, solid magnesium (Mg)
and solid sulfur (S) can combine and form
magnesium sulfide (MgS). The Equation for
thisreaction is shown below. Mg(s) S(s) ?
MgS(s) What is the oxidation number for Mg in
MgS in this reaction?
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400 Answer from Nature of Matter
2
Mass 07
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500 Question from Nature of Matter
When the equation is correctly balanced, the
coefficient of H 2 SO 4 is
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500 Answer from Nature of Matter
3
22
100 Question from Radiation
The three main types of nuclear radiation are
alpha, beta, and gamma. List the three types of
radiation from highest penetrating power to
lowest penetrating power?
Mass 07
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100 Answer from Radiation
gamma, beta, alpha
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200 Question from Radiation
What is a problem commonly associated with
nuclear power facilities? A. A small quantity
of energy is produced. B. Reaction products
contribute to acid rain. C. It is impossible to
control nuclear fission. D. It is difficult to
dispose of wastes.
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200 Answer from Radiation
It is difficult to dispose of wastes.
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300 Question from Radiation
One benefit of nuclear fission reactions is A.
nuclear reactor meltdowns B. storage of waste
materials C. biological exposure D. production
of energy
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300 Answer from Radiation
production of energy
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400 Question from Radiation
The final elements produced by radioactive decay
differ from the original radioactive elements
because the nuclei of the final elements are
always A. more stable. B. increased in mass.
C. half as radioactive. D. positively
charged.
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400 Answer from Radiation
more stable
30
500 Question from Radiation
An original sample of the radioisotope fluorine-21
had a mass of 80.0 milligrams. Only 20.0
milligrams of this original sample remain
unchanged after 8.32 seconds. What is the
half-life of fluorine-21?

• A. 1.04 s
• 2.08 s
• 4.16s
• D. 8.32 s

New York 09
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500 Answer from Radiation
4.16s
32
100 Question from Periodic Table

• What can be determined if only the atomic number
  of an atom is known?
• A. the total number of neutrons in the atom,
  only
• B. the total number of protons in the atom,
  only
• the total number of protons and the total
• number of neutrons in the atom
• the total number of protons and the total
• number of electrons in the atom

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100 Answer from Periodic Table
The total number of protons and the total number
of electrons in the atom
34
200 Question from Periodic Table
How many valence electrons are there in the
elements in family 16 of the periodic table?
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200 Answer from Periodic Table
They have six valence electrons
36
300 Question from Periodic Table

• Which element has both metallic and nonmetallic
  properties?
• Rb (3) Si
• Rn
• Si
• D. Sr

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300 Answer from Periodic Table
Si
38
400 Question from Periodic Table
The label below contains information about an
unknown metal.
UNKNOWN METAL M Most common salts MP3 M 2
O3 MCl 3
How many valence electrons does the unknown metal
have?
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400 Answer from Periodic Table
3
40
500 Question from Periodic Table
A particle has 36 electrons, 49 neutrons, and 38
protons. What type of particle is it and what is
its charge?
Mass 06
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500 Answer from Periodic Table
an ion with a charge of 2 (a
cation)
42
100 Question from Phases of Matter
Which of these statements describes what happens
to the molecules of a solid as the temperature is
lowered to absolute zero? A They begin to take
up more space. B They become farther apart. C
Their kinetic energy gradually increases to a
maximum. D Their motion gradually decreases and
eventually stops.
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100 Answer from Phases of Matter
Their motion gradually decreases and eventually
stops.
44
200 Question from Phases of Matter
Which of these best describes sublimation? A. A
solid changing to a liquid phase B. A solid
changing to a gaseous phase C. A gas filling the
space in its container D. A liquid taking the
shape of its container
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200 Answer from Phases of Matter
A solid changing to a gaseous phase
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300 Question from Phases of Matter
Which of the following is not true of a sample of
gas as it is heated in a rigid, closed
container? A. The pressure of the molecules
increases. B. The average speed of the molecules
increases. C. The average distance between
molecules increases. D. The number of collisions
between molecules increases.
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300 Answer from Phases of Matter
The average distance between molecules increases.
48
400 Question from Phases of Matter
The illustration below shows a hot-air balloon.
The pilot can change the altitude of the hot-air
balloon by changing the temperature of the gas
inside the balloon. When the gas is heated, the
balloon rises.
Which of the following best explains this
phenomenon? A. Heating the gas reduces its
pressure. B. Heating the gas decreases its
density. C. Heating the gas decreases its
molecular motion. D. Heating the gas reduces the
frequency of the gas molecules collisions.
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400 Answer from Phases of Matter
Heating the gas decreases its density.
50
500 Question from Phases of Matter
The relationship between the pressure and volume
of a gas at constant temperature is A.
numerically equivalent B. inversely proportional
C. positively correlated D. totally unrelated
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500 Answer from Phases of Matter
inversely proportional
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Final Jeopardy

• Which two elements have the most similar
• chemical properties? Justify your answer.
• A. Be and Mg
• Ca and Br
• Cl and Ar
• D. Na and P

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Final Jeopardy Answer

• Be and Mg have the most similar properties. Each
  is a member of Group 2 (the Alkaline Earth Metals
  Group) and has 2 valence electrons.
• The remaining choices are in different families
  and have different numbers of valence electrons
• Ca (2 )and Br (7) valence electrons
• Cl (7) and Ar (8) valence electrons
• Na (1) and P (5) valence electrons