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Francium
Francium

Manganese
Manganese



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Francium
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Facts About Francium and Manganese

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.
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
1.2 Sources
Formed by Decay Process, Mining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Johann Gottlieb Gahn
1.3.2 Discovery
In 1939
In 1774
1.4 Abundance
1.4.1 Abundance In Universe
NA8 * 10-4 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.001 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.27 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA0.11 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NA0.00 %
Facts About Radium
1E-13 1.4