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10 Cards in this Set
- Front
- Back
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electron
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a negatively charged subatomic particule that is found in the space outside the nucleus of an atom
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proton
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a positively charged subatomic particule that is found in the nucleus of an atom
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nucleus
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the dense positively charged mass located in the center of an atom
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atomic number
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A unique number for each element that equals the number of protons in an atom of that element
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mass number
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the sum of the number of protons and neutrons in the nucleus of an atom
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energy levels
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the possible energies that electons in an atom can have
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electron cloud
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a visual model of the most likely locations for the electrons in an atom
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orbital
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a reigon of space around the nucleus where an electron is likely to be found
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electron configuration
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the arrangement of electrons in the oribitals of an atom
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ground state
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a state in which all the electrons in an atom have the lowest possible energies
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