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Description
Flashcards by Bharathy Ganesh, updated more than 1 year ago
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Created by Bharathy Ganesh
over 11 years ago
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| Question | Answer |
| Atom | A single unit of an element that can exist independently |
| isotopes | Atoms of the same element but with different number of neutrons |
| atomic (proton) number | the number of protons in the nucleus of an atom |
| nucleon (mass) number | number of protons and neutrons in the nucleus of an atom |
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