by Ciro Santilli (@cirosantilli, 32)
Discovered by Marie Curie when she noticed that there was some yet unknown more radioactive element in their raw samples, after uranium had already been separated.
The uranium 238 decay chain is the main source of naturally occurring radium.
Video 1. The epic story of radium by Institut de Radioprotection et de Sûreté Nucléaire (2013) Source.

Ancestors

  1. Chemical element
  2. Chemistry
  3. Natural science
  4. Science
  5. Index

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