Nuclear Decay Practice Problems
Flashcard
•
Chemistry, Physics
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is nuclear decay?
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 is an alpha particle?
Back
An alpha particle is a type of nuclear radiation consisting of 2 protons and 2 neutrons, identical to a helium nucleus, represented as 42He.
4.
FLASHCARD QUESTION
Front
What happens to the atomic mass during alpha decay?
Back
During alpha decay, the atomic mass of the original element decreases by 4.
5.
FLASHCARD QUESTION
Front
What happens to the atomic number during alpha decay?
Back
During alpha decay, the atomic number of the original element decreases by 2.
6.
FLASHCARD QUESTION
Front
What is beta decay?
Back
Beta decay is a type of nuclear decay in which a neutron is transformed into a proton, emitting a beta particle (electron) and an antineutrino.
7.
FLASHCARD QUESTION
Front
What is the effect of beta decay on atomic mass?
Back
Beta decay does not change the atomic mass of the element, as a neutron is converted into a proton.
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