WorksheetsQuiz 4-1 Radioactivity and Nuclear Decay
Total questions: 16
Worksheet time: 32mins
What type of radiation can be stopped by clothing or a sheet of paper?
Alpha radiation
Beta radiation
gamma radiation
What happens to the mass number and atomic number during alpha decay?
The atomic mass decreases by 2 and atomic number increases by 4.
The atomic mass decreases by 4 and atomic number increases by 2
The atomic mass decreases by 4 and atomic number decreases by 2.
The atomic mass and atomic number stay the same.
Balance the following equation:
146C --> 0-1e + ________
145B
146C
147N
42He
What does it mean when an element is radioactive?
Atom emits radiation
Nucleus is unstable due to uneven proton to neutron ratio
Nucleus changes to become stable
All options listed.
Which type of nuclear radiation is being emitted here?
Alpha
Beta
Gamma
Neutron emission
What type of decay is shown here
23892U ---> 23490Th + 42He.
alpha
beta
gamma
Can be stopped by aluminum foil; has no mass and negative charge.
beta particle
alpha partcle
gamma ray
half-life
In a nuclear transmutation, changing one element into another element must always involve a(n):
decrease in the number of neutrons.
increase in the number of neutrons.
change in the number of electrons.
change in the number of protons.
Which equation correctly represents the alpha decay of polonium-214?
A
B
C
D
Why are some elements "radioactive" ?
Which of these is an alpha particle?
A
B
C
D
When a neutron turns into a proton in a nucleus, what sort of particle is emitted?
alpha
beta
gamma
photon
Select the correct order of waves on the Electromagnetic Spectrum from the longest wavelength to the shortest wavelength.
Radio, Microwave, Infrared, Visible, Ultraviolet, X-ray, Gamma
Gamma, X-ray, Ultraviolet, Visible, Infrared, Microwave, Radio
Visible, Microwave, Infrared, Ultraviolet, X-ray, Gamma, Radio
Microwave, Radio, Visible, Infrared, Ultraviolet, X-ray, Gamma
