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atoms and p-table
| Question | Answer |
|---|---|
| what is a proton ? | a positively charged electric |
| what is a electron ? | a negative charged electric |
| what is a neutron ? | a neutral charged electric |
| what element is found in group 4,period 7 | Rf |
| what element is found in group 14,period 7 | Fl |
| what is atom mass | the mass of an atom |
| what element is found in group 14,period 3 | Si |
| what element is found in group 17,period 7 | Am |