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Physical

Physical Science Review

QuestionAnswer
The region surrounding the nucleus in which electrons travel is the Electron Cloud
The number of protons in the nucleus of an atom of an element is called the Atomic number
A particle in the nucleus of an atom that has the same mass as a proton and is electrically neutral is called a(n) Neutron
The number of neutrons in a nucleus plus the number of protons is called the Mass number
A positively charged particle present in the nucleus of all atoms is called a(n) Proton
An atom of an element with a different number of neutrons is called an Isotope
Created by: mary352
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