Facts About Francium and Thulium
Facts
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
Sources
Formed by Decay Process, Mining
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Marguerite Perey
Per Teodor Cleve
Discovery
In 1939
In 1879
Abundance
Abundance In Universe
Not Available
1 * 10-8 %
30
Abundance In Sun
~-9999 %
~0.00000002 %
28
Abundance In Meteorites
Not Available
0.00 %
99+
Abundance In Earth's Crust
Not Available
0.00 %
99+
Abundance In Oceans
Not Available
0.00 %
99+
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