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The term radioactive comes from Madame and Pierre Curie, who combined the Latin term radius, meaning beam of light, and actif, meaning, active.

Its not a prefix, its simply part of the word.

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13y ago
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3mo ago

The term "radioactive" comes from the Latin word "radius" which means beam or ray. Radioactivity was discovered when scientists observed that certain elements emitted rays or particles. This discovery led to the use of the prefix "radio" to indicate this type of emission.

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Q: Why radioactive has prefix radio?
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