Nuclear Decay
Flashcard
•
Chemistry
•
10th - 12th Grade
•
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 nucleus into a different element or isotope.
2.
FLASHCARD QUESTION
Front
What are the three main types of nuclear decay?
Back
The three main types of nuclear decay are alpha decay, beta decay, and gamma decay.
3.
FLASHCARD QUESTION
Front
What is alpha decay?
Back
Alpha decay is a type of nuclear 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
What is beta decay?
Back
Beta decay is a type of nuclear decay in which a neutron in an atomic nucleus is transformed into a proton and an electron (beta particle), which is emitted from the nucleus.
5.
FLASHCARD QUESTION
Front
What is gamma decay?
Back
Gamma decay is a type of nuclear decay that involves the emission of gamma rays (high-energy photons) from an excited nucleus, without changing the number of protons or neutrons.
6.
FLASHCARD QUESTION
Front
What is an alpha particle?
Back
An alpha particle consists of 2 protons and 2 neutrons, and is emitted during alpha decay. It is positively charged and can be stopped by a sheet of paper.
7.
FLASHCARD QUESTION
Front
What is a beta particle?
Back
A beta particle is an electron or positron emitted during beta decay. It has a negative charge (in the case of beta-minus decay) and can penetrate materials more than alpha particles.
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