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Definition
| unstable nucleus emits a nucleon to become stable |
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Term
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Definition
| result in the transformation of one specific element into another |
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Term
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Definition
| use a particle to hit a stable nuclei to cause them to become unstable and undergo nuclear charge |
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Term
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Definition
| time required for the number of radioactive particles to reach one half of the original value |
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Term
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Definition
| atom loses 1 or more electrons(become positive) it loses a layer and its radius decreases |
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Term
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Definition
| atom gains 1 or more electrons(negative) its fills its valence layer,and radius increases |
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