WorksheetsReview: Redox & Nuclear Chemistry
Total questions: 39
Worksheet time: 28mins
Label 1, 2, and 3 on the picture.
1. Alpha
2. Beta
3. Gamma
1. Gamma
2. Alpha
2. Beta
1. Beta
2. Gamma,
3. Alpha
1. Alpha
2. Gamma
3. Beta
What type of radiation deflects toward the positively charged plate?
Alpha
Beta
Gamma
Neutron
What type of radiation deflects away from the positively charged plate?
Alpha
Beta
Gamma
Neutron
Given the following equation, determine what specifically decayed from the parent atom: 83214Bi→?+84214Po
Alpha particle
Beta particle
Gamma ray
Neutron
What particle is required to balance the following nuclear equation? 90231Th→91231Pa+?
Alpha particle
Beta particle
Gamma ray
Neutron
What particle is released when Radium-226 decays into Radon-222?
Proton
Neutron
Alpha particle
Beta particle
Reduction is (gaining, losing) electrons.
Gaining
Losing
Sharing
Splitting
Oxidation is (gaining, losing) electrons.
Gaining
Losing
Sharing
Splitting
The nuclear reaction that is not yet a viable option to provide electricity because of the extreme heat required to start it is __________.
Fission
Fusion
Radioactive decay
Chain reaction
The nuclear reaction that we currently use to produce electricity is called nuclear __________.
Fusion
Fission
Decay
Transmutation
The nuclear reaction that happens in the nuclear power plant using U-235 is known as __________.
Fusion
Fission
Decay
Transmutation
If Uranium-235 undergoes alpha decay, what will be the daughter element?
Thorium-231
Protactinium-231
Uranium-231
Neptunium-231
Which one is being oxidized in this reaction?
Zn + Cu2+ → Zn2+ + Cu
Cu
Cu2+
Zn
Zn2+
What is the oxidation number of sulfur in H2SO4? (Note: this is an HONORS only question. If you're not in honors, just take your best guess and move on).
2-
0
4+
6+
Which of the following is a redox reaction?
HCl + NaOH → NaCl + H2O
Na + Cl2 → NaCl
BaCl2 + Na2SO4 → BaSO4 + NaCl
H2SO4 + Ca(OH)2 --> CaSO4 + H2O
In a redox reaction, electrons are:
Shared equally between atoms
Transferred between atoms
Not involved at all
Only gained by metals
2 CaO--> 2 Ca + O2
What is the oxidation number of chlorine in HClO? (Note: this is an HONORS question. If you're not in honors, just take your best guess and don't worry about it)
0
-1
+1
+5
What is the oxidation number of nitrogen in N2?
-3
0
+4
-1
The sum of the oxidation numbers in SCN- is equivalent to
0
-1
+1
+3
The sum of the oxidation numbers in Na2CO3 is equivalent to
0
-2
+1
-1
What is the oxidation number of iodine in KIO3? (Note: this is an HONORS question. If you're not in honors, just take your best guess and don't worry about it).
0
-1
+5
+1
In the reaction Zn + 2HCl --> ZnCl2 + H2
which element, if any, is oxidized?
Zinc
Hydrogen
Chlorine
None
2Ca(s) + O2(g) --> 2CaO(s), calcium is __________
4Fe + 3O2 --> 2Fe2O3
Which type of nuclear decay results in the emission of a helium nucleus?
Alpha decay
Beta decay
Gamma decay
Positron emission
What happens to the atomic number of an element during beta decay?
It decreases by 1
It increases by 1
It stays the same
It increases by 2
Which type of decay does not change the mass number or atomic number of a nucleus?
Alpha decay
Beta decay
Gamma decay
Neutron emission
Which form of nuclear radiation has the highest penetrating power?
Alpha particles
Beta particles
Gamma rays
Neutrons
Which of the following best describes nuclear fission?
Two light nuclei combine to form a heavier nucleus
A heavy nucleus splits into smaller nuclei, releasing energy
Atoms lose electrons to become ions
A neutron is converted into a proton and an electron
Where does nuclear fusion naturally occur?
Inside nuclear reactors
During radioactive decay
In the Sun and other stars
In lightning storms
Compared to fission, fusion releases:
No energy
Less energy
About the same energy
Much more energy
Which of the following is a common fuel used in nuclear fission?
Deuterium (Hydrogen-2)
Tritium (Hydrogen-3)
Uranium-235
Helium-4
Why is nuclear fusion difficult to achieve on Earth?
It produces too much radiation
The fuels are unstable
It requires extremely high temperatures and pressures
It relies on fossil fuels
Which of the following is a major disadvantage of nuclear fission?
It is too expensive to use
It produces long-lived radioactive waste
It doesn’t release enough energy
It requires solar panels
What is a potential advantage of nuclear fusion over nuclear fission for energy production?
Fusion produces more greenhouse gases
Fusion would produce a LOT more energy
Fusion creates more radioactive waste
Fusion is currently widely used
Which is true about fusion fuel?
It is rare and expensive
It is easy to mine from coal
It is abundant, especially in hydrogen from water
It is made from uranium
Why is nuclear fission used in power plants today instead of fusion?
Fission produces more energy
Fusion is too dangerous
Fusion technology is not yet practical
Fission fuel is unlimited
