Mathematics, 13.07.2020 20:01, Hakika

Radium-226 was discovered by Marie-Curie in 1898. The notebooks she used were contaminated with radium-226 and are still hazardous.
Explain why the notebooks are still hazardous. (2) *

Answers: 3

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Radium-226 was discovered by Marie-Curie in 1898. The notebooks she used were contaminated with rad...