Podcast
Questions and Answers
What is the primary reason why a nucleus might become unstable?
What is the primary reason why a nucleus might become unstable?
- Having too many neutrons (correct)
- Receiving external pressure
- Being exposed to sunlight
- Having too few protons
In beta-minus emission, what changes in the nucleus?
In beta-minus emission, what changes in the nucleus?
- A positron changes into an electron
- A proton changes into a neutron
- A neutron changes into a proton (correct)
- An electron changes into a positron
Which force causes protons to experience repulsion in the nucleus?
Which force causes protons to experience repulsion in the nucleus?
- Weak nuclear force
- Electromagnetic force (correct)
- Gravitational force
- Strong nuclear force
What is the common product of beta-plus decay and electron capture?
What is the common product of beta-plus decay and electron capture?
How does the nucleon number change during beta-minus emission?
How does the nucleon number change during beta-minus emission?
Why must nuclei with long half-lives be suitably stored?
Why must nuclei with long half-lives be suitably stored?
What factor allows the decay constant to be used to model the decay of a large sample of nuclei?
What factor allows the decay constant to be used to model the decay of a large sample of nuclei?
How does the half-life of a radioactive nucleus impact its use in dating organic objects?
How does the half-life of a radioactive nucleus impact its use in dating organic objects?
Which feature makes Technetium-99m ideal for medical diagnosis as a radioactive tracer?
Which feature makes Technetium-99m ideal for medical diagnosis as a radioactive tracer?
In radioactive dating, why is it important to compare the current amount of a radioactive isotope with its initial amount?
In radioactive dating, why is it important to compare the current amount of a radioactive isotope with its initial amount?
Which parameter has a direct relationship with the activity of a radioactive sample?
Which parameter has a direct relationship with the activity of a radioactive sample?
How does the decay constant contribute to modeling the decay process in a large sample of nuclei?
How does the decay constant contribute to modeling the decay process in a large sample of nuclei?
What happens to the nucleon number during alpha decay?
What happens to the nucleon number during alpha decay?
Which force becomes larger beyond a certain number of protons and neutrons in a stable nucleus?
Which force becomes larger beyond a certain number of protons and neutrons in a stable nucleus?
What type of decay usually occurs when a nucleus has too many nucleons?
What type of decay usually occurs when a nucleus has too many nucleons?
Why does a nucleus decay through gamma emission after another type of decay?
Why does a nucleus decay through gamma emission after another type of decay?
How does the proton number change during beta decay?
How does the proton number change during beta decay?
What is the primary reason for more neutrons needed to keep the nucleus stable after a certain point?
What is the primary reason for more neutrons needed to keep the nucleus stable after a certain point?
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