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Manganese
Manganese

Francium
Francium



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Francium

Facts About Manganese and Francium

1 Facts
1.1 Interesting Facts
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Johann Gottlieb Gahn
Marguerite Perey
1.3.2 Discovery
In 1774
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
8 * 10-4 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.001 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.27 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.11 %NA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
0.00 %NA
Facts About Radium
1E-13 1.4