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8 Cards in this Set
- Front
- Back
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proton |
center of atom , positive charge , same as atomic number |
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electrons |
outside of nucleus, negatively charged , mass too small to be in periodic table |
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neurons |
in nucleus, neutral charge , mass number - atomic number (protons) |
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atomic number |
protons , identity of the element |
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atomic mass |
protons + neutrons , rounded |
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isotopes |
same # of protons , different # of neutrons |
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periodic table |
organized by increasing atomic number periods: gain proton left to right groups: characteristics and properties
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bohrs model |
nucleus ( protons and neutrons) and electrons on fixed path |
