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10.1 Chemistry

Vocabulary Words

QuestionAnswer
radioactivity process in which an unstable atomic nucleus emits charged particles and energy
radioisotope any atom containing an unstable nucleus
nuclear radiation charged particles and energy that are emitted from the nuclei of radioisotopes
alpha particle a positively charged particle made up of two protons and two neutrons
beta particle an electron emitted by an unstable nucleus
gamma ray a penetrating ray of energy emitted by an unstable nucleus
background radiation nuclear radiation that occurs naturally in the environment
Created by: MarieElyn
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