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Chapter 15,Section 1

Atomic Energy

QuestionAnswer
The process by which an unstable nucleus gives off nuclear radiation. radioactivity and radioactive decay
The three types of radioactive deacy alpha decay, beta decay, and gamma decay
The release of an alpha particle from a nucleus alpha decay
least penetrating, stopped by paper. Is made up of two protons and two neutrons. Has a mass number of 4 and a charge of 2+ alpha particle
The sum of the numbers of prtons and neutrons in the nucleus of an atom mass number
The release of a beta particle from a nucleus beta decay
The electron or positron. Stopped by 3mm of aluminum beta particle
The release of gamma rays from a nucleus gamma decay
An atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons isotope
SOme of the energy given off of alpha and beta decay is in the form of light that has a very high energy and is the highest penetrating energy that can be stopped by concrete or lead gamma rays
The splitting of the nucleus of a large atom into two or more fragments; releases additional neutrons and energy nuclear fission
A coniuous series of nuclear fission reactions nuclear chain reaction
Huge amounts of energy that are given off very quickly uncontrolled chain reaction
The energy released from the nuclei in the uranium fuel within the nuclear power plants that is used to generate electrical energy controlled chain reactions
Created by: kayleejones
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