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Description
Flashcards by alex.examtime9373, updated more than 1 year ago
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Created by alex.examtime9373
over 12 years ago
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| Question | Answer |
| Components of the nucleus | Nucleons |
| Protons | Positively charged nucleons |
| Neutrons | Electrically neutral nucleons |
| Atomic number | Number of protons in the nucleus |
| Symbol of atomic number | Z |
| Mass number | The number of protons and neutrons in the nucleus |
| Symbol of mass number | A |
| Periodic table of the elements | Contains all the elements in order of increasing atomic number |
| Isotopes | Atoms of the same atomic number but different mass number (i.e. lost or gained neutrons) |
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