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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Discrete energy and discrete energy levels |
An energy level has to be in a fixed place around The atom. The energy level can't be between one of the fixed places, within the area it stays in. |
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Transitions between energy levels |
When an electron has an abnormal amount of energy, so it moves to a higher or lower energy level, emmiting light. |
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Radioactive decay |
Radioactive decay is the spontaneous breakdown of an atomic nucleus resulting in the release of energy and matter from the nucleus. |
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Strong force (fundamental force) |
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Weak force (fundamental force) |
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Electromagnetic force (fundamental force) |
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Gravity (fundamental force) |
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Alpha particles |
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Negative beta decay |
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Gamma ray |
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Half life |
the time taken for the radioactivity of a specified isotope to fall to half its original value. |
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Positive beta decay |
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