11782256
Description
Flashcards by Holly Nephew, updated more than 1 year ago
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Created by Holly Nephew
almost 8 years ago
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| Question | Answer |
| Atomic Number | The number of protons in the nucleus of an atom |
| Mass Number | The total number of protons and neutrons in the nucleus |
| Isotope | Atoms that have the same number of protons but a different number of neutrons |
| Atomic Mass Unit (amu) | The unit used to measure atomic mass (equal to about 1/12 the mass of a carbon-12 atom) |
| Atomic Mass | A weighted average mass of the atoms in a naturally occurring sample of the element |
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