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Science 1

Unit 16 Vocab Cards

QuestionAnswer
The process by which an unstable nucleus gives off nuclear radiation Radioactivity
The sum of the number of protons and neutrons in the nucleus of an atom Mass Number
The release of a beta particle from a nucleus Beta Decay
An atom that has the same number of protons as other atoms of the same element do but has a different number of protons Isotope
The release of an alpha particle from a nucleus Alpha Decay
Have a greater charge and mass than beta particles and gamma rays do. Travel about 7cm through the air and are stopped by paper or clothing Alpha Particle
Have a 1- or a 1+ charge and almost no mass. They are more penetrating than alpha particles. Travel about 1m through air but are stopped by 3mm of aluminum Beta Particle
Has no mass or charge, very dangerous Gamma Ray
What are the 3 forms of radiation? Alpha Decay, Beta Decay, an Gamma Ray
Created by: twilite98
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