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Yttrium
Yttrium

Francium
Francium



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Francium

Facts About Yttrium and Francium

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  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
Found in Minerals, Mining, Ores of Minerals
Johan Gadolin
In 1794
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  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
Formed by Decay Process, Mining
Marguerite Perey
In 1939
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