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Atomic Structure

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QuestionAnswer
smallest piece of an element that keeps its chemical properties compound - substance that can be broken into elements by chemical reactions atom
particle orbiting the nucleus of an atom with a negative charge (mass = 9.10 x 10-28 grams) electron
substance that cannot be broken down by chemical reactions element
electrically charged atom (i.e., excess positive or negative charge) ion
smallest piece of a compound that keeps its chemical properties (made of two or more atoms) molecule
particle in the nucleus of an atom with no charge (mass = 1.675 x 10-24 grams) neutron
dense, central core of an atom (made of protons and neutrons) nucleus
particle in the nucleus of an atom with a positive charge (mass = 1.673 x 10-24 grams) protons
Created by: jv_2005
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