jeopardy atomsnature of matter radio- activity periodic table phases of matter q $100 q $200 q $300...
TRANSCRIPT
JeopardyAtoms Nature of
Matter Radio-activity
Periodic Table
Phases of Matter
Q $100
Q $200
Q $300
Q $400
Q $500
Q $100 Q $100Q $100 Q $100
Q $200 Q $200 Q $200 Q $200
Q $300 Q $300 Q $300 Q $300
Q $400 Q $400 Q $400 Q $400
Q $500 Q $500 Q $500 Q $500
Final Jeopardy
$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 e50 p, 22 n, 50 e22 p, 28 n, 22 e
Virginia 07
$100 Answer from Atoms
22 p, 28 n, 22 e
$200 Question from Atoms
A. 88B. 132C. 220D. 308
Virginia 07
$200 Answer from Atoms
88
$300 Question from Atoms
Virginia 07
What are shared in covalent bonds?A. CationsB. ProtonsC. ElectronsD. Anions
$300 Answer from Atoms
Electrons
$400 Question from Atoms
When compared to sulfur-32, sulfur-34 has more —
Virginia 07
$400 Answer from Atoms
neutrons
$500 Question from Atoms
Which compound has a covalent bond?
A.CaI 2
B.KBrC.NaClD.NO
Virginia 07
$500 Answer from Atoms
NO
$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 isthe density in g/mL of this solution?
Texas 06
$100 Answer from Nature of Matter
2g/ml
$200 Question from Nature of Matter
Which of the following chemical equations is balanced correctly?
.
Mass 07
$200 Answer 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
synthesis
$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
+ 2
Mass 07
$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
3
$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
$100 Answer from Radiation
gamma, beta, alpha
$200 Question from Radiation
New York 08
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.
$200 Answer from Radiation
It is difficult to dispose of wastes.
$300 Question from Radiation
New York 08
One benefit of nuclear fission reactions is
A. nuclear reactor meltdownsB. storage of waste materialsC. biological exposureD. production of energy
$300 Answer from Radiation
production of energy
$400 Question from Radiation
Mass 06
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.
$400 Answer from Radiation
more stable
$500 Question from Radiation
New York 09
An original sample of the radioisotopefluorine-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 B.2.08 s C.4.16s D. 8.32 s
$500 Answer from Radiation
4.16s
$100 Question from Periodic Table
New York 09
What can be determined if only the atomic number of an atom is known?A. the total number of neutrons in the atom, onlyB. the total number of protons in the atom, onlyC. the total number of protons and the total number of neutrons in the atomD.the total number of protons and the total number of electrons in the atom
$100 Answer from Periodic Table
The total number of protons and the total number of electrons in the atom
$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
They have six valence electrons
$300 Question from Periodic Table
New York 07
Which element has both metallic and nonmetallic properties?A.Rb (3) SiB. RnC.Si D. Sr
$300 Answer from Periodic Table
Si
$400 Question from Periodic Table
Mass 06
The label below contains information about an unknown metal.
How many valence electrons does the unknown metal have?
UNKNOWN METAL M Most common salts
MP3
M 2 O3
MCl 3
$400 Answer from Periodic Table
3
$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
$500 Answer from Periodic Table
an ion with a charge of + 2 (a cation)
$100 Question from Phases of Matter
Which of these statements describes what happens to the molecules of a solidas 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
Their motion gradually decreases and eventually stops.
$200 Question from Phases of Matter
Which of these best describes sublimation?
A. A solid changing to a liquid phaseB. A solid changing to a gaseous phaseC. A gas filling the space in its containerD. A liquid taking the shape of its container
Virginia 07
$200 Answer from Phases of Matter
A solid changing to a gaseous phase
$300 Question from Phases of Matter
Virginia 07
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.
$300 Answer from Phases of Matter
The average distance between molecules increases.
$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
Heating the gas decreases its density.
$500 Question from Phases of Matter
The relationship between the pressure and volume of a gas at constant temperature is
A. numerically equivalentB. inversely proportional C. positively correlatedD. totally unrelated
Virginia 05
$500 Answer from Phases of Matter
inversely proportional
Final JeopardyWhich two elements have the most similarchemical properties? Justify your answer.A. Be and Mg B.Ca and Br C.Cl and ArD. Na and P
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