Radioactive Decay
Flashcard
•
Science, Chemistry
•
8th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens during beta-particle emission?
Back
A neutron splits into a proton and an electron.
2.
FLASHCARD QUESTION
Front
What do radioactive materials have that makes them unstable?
Back
Unstable nuclei.
3.
FLASHCARD QUESTION
Front
What element is formed when an alpha particle is emitted from 243Am?
Back
Neptunium.
4.
FLASHCARD QUESTION
Front
What happens to the atomic number of an element during gamma decay?
Back
The atomic number remains the same.
5.
FLASHCARD QUESTION
Front
Solve this equation for alpha decay: 8_5^209At = ___ + 2_4^He
Back
83_205Bi.
6.
FLASHCARD QUESTION
Front
What is radioactive decay?
Back
The process by which an unstable atomic nucleus loses energy by emitting radiation.
7.
FLASHCARD QUESTION
Front
What are the three main types of radioactive decay?
Back
Alpha decay, beta decay, and gamma decay.
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