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Unit 1 Chap. 2
Vocab for Chapter 2.
| Question | Answer |
|---|---|
| Atom | Basic unit of matter. |
| Atomic Nucleus | The center of the atom that contains protons and neutrons. |
| Electron | Negatively charged particles located outside of the nucleus. |
| Proton | Positively charged particles located in the nucleus. |
| Neutron | Neutral particles located in the nucleus. |
| Element | A substance consisting of one type of atom. |