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Radioactivity
Science 8
| Question | Answer |
|---|---|
| What happens during beta decay? | A neutron splits into a proton and an electron, and the electron flies away, raising the atoms atomic number by 1. |
| What causes gamma decay? | Alpha or beta decay causes gamma decay. |
| Who discovered radioactivity? | A french physicist name Henri Becquerel. |
| What is a half life? | The amount of time it takes for half of a substance to radioactively decay. |
| What is an alpha particle? | The nucleus of a helium atom, composed of 2 neutrons and 2 electrons. |