Nuclear Decay Practice Problems
Flashcard
•
Chemistry
•
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
Define alpha decay.
Back
Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (2 protons and 2 neutrons), resulting in a new element with a lower atomic number.
4.
FLASHCARD QUESTION
Front
Define 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, transforming a neutron into a proton or vice versa.
5.
FLASHCARD QUESTION
Front
What is gamma radiation?
Back
Gamma radiation is a form of electromagnetic radiation emitted from a radioactive nucleus, characterized by high energy and no mass.
6.
FLASHCARD QUESTION
Front
How does alpha decay affect atomic mass and atomic number?
Back
In alpha decay, the atomic mass decreases by 4 and the atomic number decreases by 2.
7.
FLASHCARD QUESTION
Front
How does beta decay affect atomic mass and atomic number?
Back
In beta decay, the atomic mass remains the same, but the atomic number increases by 1.
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