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U2.2 Review (Radioactive Decay)
Quiz by Aaron Holley
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Who was the scientist that discovered radiation?
Who first coined the term "radioactivity?"
Who studied the effects of electric and magnetic fields on radiation?
Match the type of radiation with its description.
The spontaneous change of an unstable nuclide into another nuclide (either stable or unstable) is called ____.
____ is the unstable nuclide that you start with.
____ is the nuclide that forms as a result of a radioactive decay.
The narrow region of a plot of the number of neutrons vs. the number of protons where stable isotopes are found is referred to as the ___.
Choose which characteristics describe the types of radioactive decay shown below.
The isotopes highlighted in the band of stability graph below tend to undergo what kind of radioactive decay?
The isotopes highlighted in the band of stability graph below tend to undergo what kind of radioactive decay?
The isotopes highlighted in the band of stability graph below tend to undergo what kind of radioactive decay?
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
Identify the type of radioactive decay in the image below.
A chain of successive decays for heavy elements that leads to the formation of a stable end-product is known as a ____.
____ is the time required for one half of the atoms in a radioactive sample to decay.
Which of the following curves describes what happens during radioactive decay?
Which of the following equations describes the half-life observed for radionuclides?
If you have 250 mg of a radioisotope with a half-life of 18 days, how much of your sample remains after 36 days? Type your answer as a number (to one decimal place, if needed) with NO units.
If you have 250 mg of a radioisotope with a half-life of 18 days, how much of your sample remains after 72 days? Type your answer as a number (to two decimal places, if needed) with NO units.
You have been given a sample of a radionuclide that has a mass that is one eighth of what you started with. How many half-lives have transpired while the sample has been in your possession?
You have been given a sample of a radionuclide that has a mass that is one eighth of what you started with. If the current amount you have now weighs 13.0 g, how much did you start with?