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Terbium
Terbium

Francium
Francium



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Facts About Terbium and Francium

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1 Facts
1.1 Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  • 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, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Carl Gustaf Mosander
Marguerite Perey
1.3.2 Discovery
In 1842
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
5 * 10-8 %
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.00000001 %
Rank: 29 (Overall)
~-9999 %
Rank: N/A (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 46 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 40 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 43 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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