Chemistry, 13.10.2020 06:01, hdhdhd49jdhd

What did the Curies demonstrate by studying pitchblende? Uranium is not the only radioactive element.
All elements are potentially radioactive.
Radium can cause anemia, bone and tissue damage, and death.
Uranium salts emit something that can expose photographic film.

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What did the Curies demonstrate by studying pitchblende? Uranium is not the only radioactive elemen...