Chapter 4: Structure of the atom

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6 Terms

1
Atom
the smallest component of an element having the chemical properties of the element is ___
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2
proton
___a stable particle with positive charge
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3
neutron
___an elementary particle with 0 charge and mass about equal to a proton
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4
electron
___an elementary particle with negative charge
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5
Isotopes
____ have same number of protons , different number of neutrons
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6
Valence shell
___the outermost shell of an atom
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