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chapter 1 review
Atoms and molecules
| Question | Answer |
|---|---|
| What is an atom that has a charge because it has gained or lost electrons | Ion |
| What is the number of protons in the nucleus of an atom of an element | Atomic number |
| What is the uncharged particle in the nucleus of an atom | Neutron |
| What does the the nucleus of an atom contain | Protons and Nutrons |