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9 Cards in this Set
- Front
- Back
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cathode ray tube |
high voltage applied to the electrons in a tube, radiation is produced |
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nucleus |
extremely small region of an atom |
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isotope |
atoms with identical atomic numbers (protons) but different mass numbers (neutrons) |
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chemical formula |
expression that states the name and number of an atom present in a molecule |
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empirical formula |
chemical formulas that give the relative number of atoms of each type in a molecule |
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ion |
a charged particle |
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cation |
a positive charged particle |
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anion |
a negative charged particle |
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polyatomic ion |
ions that have a negative or positive charge |
