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21 Cards in this Set
- Front
- Back
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negatively charges subatomic particle
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ELECTRON
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smallest part of an element that has the properties of the element
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ATOM
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region around the nucleus
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ELECTRON CLOUD
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location of electrons
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ELECTRON CLOUD
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subatomic particles
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PROTONS, NEUTRONS and ELECTRONS
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subatomic particle with a negative charge
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ELECTRON
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subatomic particle with a positive charge
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PROTON
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subatomic particle with no charge
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NEUTRON
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location of protons
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NUCLEUS
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location of neutrons
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NUCLEUS
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8 valence electrons
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OCTET
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electrons in the outermost energy level
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VALENCE ELECTRONS
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outermost energy level of the electron cloud
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VALENCE SHELL
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the number of neutrons equals...
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MASS#-ATOMIC#
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the number of protons equals...
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ATOMIC #
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the number of electrons in a neutral atom equals...
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ATOMIC #
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central core of an atom
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NUCLEUS
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atoms of the same element with different numbers of neutrons
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ISOTOPE
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sum of the number of protons and neutrons
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MASS #
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subatomic particle that, if changed, changes the element
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PROTON
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letter or letters used to represent an element
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SYMBOL
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