What is nuclear decay?
Nuclear Decay REVIEW

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•
Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Nuclear decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, resulting in the transformation of the element into a different element or isotope.
2.
FLASHCARD QUESTION
Front
What are the three main types of nuclear radiation?
Back
The three main types of nuclear radiation are alpha particles, beta particles, and gamma rays.
3.
FLASHCARD QUESTION
Front
What happens to the atomic mass during alpha decay?
Back
During alpha decay, the atomic mass decreases by 4.
4.
FLASHCARD QUESTION
Front
What is an alpha particle composed of?
Back
An alpha particle is composed of 2 protons and 2 neutrons, essentially a helium nucleus.
5.
FLASHCARD QUESTION
Front
What is beta decay?
Back
Beta decay is a type of radioactive decay in which a beta particle (an electron or positron) is emitted from an atomic nucleus.
6.
FLASHCARD QUESTION
Front
What is the effect of gamma radiation on atomic mass?
Back
Gamma radiation does not change the atomic mass or atomic number of an element.
7.
FLASHCARD QUESTION
Front
What is a parent isotope?
Back
A parent isotope is the original unstable isotope that undergoes decay to form a more stable daughter isotope.
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