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Alpha particles are the least penetrating form of radiation.

However, that does not mean they are the least dangerous. Even though they can be stopped with only an inch or so of air, or even by our skin, if they are ingested and come into contact with sensitive body tissues, they can be dangerous, because they have the highest charge and the highest mass.

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12y ago
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12y ago

Alpha radiation is the least penetrating form of a reaction.

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Q: What is the least penetrating form of a reaction?
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