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Chapter 4 Vocab.
| Question | Answer |
|---|---|
| Atoms | The Smallest Partical Of An Element |
| Isotopes | Atoms The Same Element And Same Number Of ProtWith ons But Different Number Of Neutrons. |
| Radioactivity | Some Substances Spontameously Emit Radiation. |
| Neutron | A Neutron Subatomic Particle In An Atom's Nuclues That Has A Mass Nearly Equal To That Of A Proton |