Ciro Santilli
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Radium (Ra, 88)
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🗖 nosplit
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↑ parent "Chemical element"
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77
🗖 nosplit
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⇓ toc
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↑ parent "Chemical element"
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Wikipedia
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77
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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.
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Figure 50
. The
uranium
-238 decay chain is the main source of naturally occurring radium.
Source
.
🔗
Video 109
. "The epic story of radium" by Institut de Radioprotection et de Sûreté Nucléaire - IRSN published on 2013-06-06.
Source
.
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