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Vocab
| Question | Answer |
|---|---|
| atomic number | h |
| electron | h |
| electron cloud | h |
| ion | h |
| isotope | h |
| neutron | h |
| nucleus | h |
| proton | h |
| atom | h |
| compound | h |
| element | h |
| heterogeneous | h |
| homogeneous | h |
| matter | h |
| mixture | h |
| molecule | h |
| substance | h |