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| radioactivity The property possessed by some atomic nuclei of disintegrating spontaneously, with loss of energy through emission of a charged particle and/or gamma radiation | |||
| radioaktivitet: 1 phrase in 1 subject |
| Environment | 1 |
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| radioactivity The property possessed by some atomic nuclei of disintegrating spontaneously, with loss of energy through emission of a charged particle and/or gamma radiation | |||
| radioaktivitet: 1 phrase in 1 subject |
| Environment | 1 |