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Francium
Francium

Platinum
Platinum



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Francium
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Facts About Francium and Platinum

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1 Facts
1.1 Interesting Facts
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
1.2 Sources
Formed by Decay Process, Mining
Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Antonio de Ulloa
1.3.2 Discovery
In 1939
In 1735
1.4 Abundance
1.4.1 Abundance In Universe
NA5 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.0000009 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4