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chem radioactivity
3 20 2012 test study
| Question | Answer |
|---|---|
| what is a positron | same mass as an electron but negative |
| what does a positron produce | same atomic number decrease in mass by 1 |
| what does an alpha particle produce | decrease in atomic number by 4 and decrease in mass by 2 |
| where is an electron capture particle placed | on the left side of the arrow |
| what does an electron capture produce | same atomic number decrease in mass by 1 |
| an electron capture has how many parts | 4 |
| what is a geiger counter |