What is fission?
Semester 2 Unit 1 Kim Vocabulary: Atoms and Radioactivity

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Science
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9th - 12th Grade
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Easy
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1.
FLASHCARD QUESTION
Front
Back
Fission is the nuclear process in which a heavy nucleus splits into smaller nuclei, releasing a significant amount of energy.
2.
FLASHCARD QUESTION
Front
What happens to the charge of an atom when it loses electrons?
Back
The charge becomes positive.
3.
FLASHCARD QUESTION
Front
What is the process of combining two light nuclei to form a heavier nucleus called?
Back
Fusion.
4.
FLASHCARD QUESTION
Front
What is an ion?
Back
An ion is an atom that has a positive or negative charge due to the loss or gain of electrons.
5.
FLASHCARD QUESTION
Front
What is alpha decay?
Back
Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle, consisting of 2 protons and 2 neutrons.
6.
FLASHCARD QUESTION
Front
What is beta decay?
Back
Beta decay is a type of radioactive decay in which a neutron is transformed into a proton and an electron, with the electron being emitted.
7.
FLASHCARD QUESTION
Front
What is gamma radiation?
Back
Gamma radiation is a form of electromagnetic radiation emitted from a radioactive nucleus, carrying no charge and high energy.
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