What is nuclear fission?
nuclear decay and half life

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Science
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Nuclear fission is a type of reaction in which a heavy nucleus, such as U-235, splits into two or more smaller nuclei, releasing a significant amount of energy.
2.
FLASHCARD QUESTION
Front
What is nuclear fusion?
Back
Nuclear fusion is a type of reaction in which light nuclei combine to form a larger, single nucleus, releasing energy in the process.
3.
FLASHCARD QUESTION
Front
What is half-life?
Back
Half-life is the time required for half of the parent isotope in a sample to decay into its daughter isotopes.
4.
FLASHCARD QUESTION
Front
What percentage of the parent isotope remains after 2 half-lives?
Back
25% of the parent isotope remains after 2 half-lives.
5.
FLASHCARD QUESTION
Front
What type of radiation has a negligible mass and consists of high energy radiation?
Back
Gamma radiation has a negligible mass and consists of high energy radiation.
6.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The atomic number of an element is the number of protons in the nucleus of an atom of that element.
7.
FLASHCARD QUESTION
Front
How many protons does fluorine have?
Back
Fluorine has 9 protons, as indicated by its atomic number.
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