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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.

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Jeopardy

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


100 question from atoms

$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

Virginia 07


100 answer from atoms

$100 Answer from Atoms

22 p, 28 n, 22 e


200 question from atoms

$200 Question from Atoms

A. 88

B. 132

C. 220

D. 308

Virginia 07


200 answer from atoms

$200 Answer from Atoms

88


300 question from atoms

$300 Question from Atoms

What are shared in covalent bonds?

A. Cations

B. Protons

C. Electrons

D. Anions

Virginia 07


300 answer from atoms

$300 Answer from Atoms

Electrons


400 question from atoms

$400 Question from Atoms

When compared to sulfur-32, sulfur-34 has more —

Virginia 07


400 answer from atoms

$400 Answer from Atoms

neutrons


500 question from atoms

$500 Question from Atoms

Which compound has a covalent bond?

  • CaI 2

  • KBr

  • NaCl

  • NO

Virginia 07


500 answer from atoms

$500 Answer from Atoms

NO


100 question from nature of matter

$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?

Texas 06


100 answer from nature of matter

$100 Answer from Nature of Matter

2g/ml


200 question from nature of matter

$200 Question from Nature of Matter

Which of the following chemical

equations is balanced correctly?

.

Mass 07


200 answer from nature of matter

$200 Answer from Nature of Matter


300 question from nature of matter

$300 Question from Nature of Matter

The figure below represents a reaction.

What type of reaction is shown?

Mass 07


300 answer from nature of matter

$300 Answer from Nature of Matter

synthesis


400 question from nature of matter

$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?


400 answer from nature of matter

$400 Answer from Nature of Matter

+ 2

Mass 07


500 question from nature of matter

$500 Question from Nature of Matter

When the equation is correctly balanced, the coefficient of H 2 SO 4 is —

Virginia 07


500 answer from nature of matter

$500 Answer from Nature of Matter

3


100 question from radiation

$100 Question from Radiation

The three main types of nuclear radiation

are alpha, beta, and gamma. Which of the following lists these types of radiation from highest penetrating power to lowest penetrating power?

Mass 07


100 answer from radiation

$100 Answer from Radiation

gamma, beta, alpha


200 question from radiation

$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.

New York 08


200 answer from radiation

$200 Answer from Radiation

It is difficult to dispose of wastes.


300 question from radiation

$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

New York 08


300 answer from radiation

$300 Answer from Radiation

production of energy


400 question from radiation

$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.

Mass 06


400 answer from radiation

$400 Answer from Radiation

more stable


500 question from radiation

$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


500 answer from radiation

$500 Answer from Radiation

4.16s


100 question from periodic table

$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

New York 09


100 answer from periodic table

$100 Answer from Periodic Table

The total number of protons and the total number of electrons in the atom


200 question from periodic table

$200 Question from Periodic Table

How many valence electrons are there in the elements in family 16 of the periodic table?

Mass 07


200 answer from periodic table

$200 Answer from Periodic Table

They have six valence electrons


300 question from periodic table

$300 Question from Periodic Table

  • Which element has both metallic and nonmetallic properties?

  • Rb (3) Si

  • Rn

  • Si

  • D. Sr

New York 07


300 answer from periodic table

$300 Answer from Periodic Table

Si


400 question from periodic table

$400 Question from Periodic Table

The label below contains information 13 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?

Mass 06


400 answer from periodic table

$400 Answer from Periodic Table

3


500 question from periodic table

$500 Question from Periodic Table

What type of particle would have

and what would be the charge if

the particle has 36 electrons,

49 neutrons, and 38 protons?

Mass 06


500 answer from periodic table

$500 Answer from Periodic Table

an ion with a charge of 2


100 question from phases of matter

$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.

Virginia 07


100 answer from phases of matter

$100 Answer from Phases of Matter

Their motion gradually decreases and

eventually stops.


200 question from phases of matter

$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

Virginia 07


200 answer from phases of matter

$200 Answer from Phases of Matter

A solid changing to a gaseous phase


300 question from phases of matter

$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.

Virginia 07


300 answer from phases of matter

$300 Answer from Phases of Matter

The average distance between molecules increases.


400 question from phases of matter

$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.

Mass 06


400 answer from phases of matter

$400 Answer from Phases of Matter

Heating the gas decreases its density.


500 question from phases of matter

$500 Question from Phases of Matter

According to Boyle’s law, 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

Virginia 05


500 answer from phases of matter

$500 Answer from Phases of Matter

inversely proportional


Final jeopardy

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


Final jeopardy answer

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


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