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Niobium
Niobium

Francium
Francium



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Niobium
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Francium

Facts About Niobium and Francium

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1 Facts
1.1 Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Charles Hatchett
Marguerite Perey
1.3.2 Discovery
In 1801
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000004 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %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
NANA
Facts About Radium
1E-13 1.4