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

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Francium vs Actinium
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Francium vs Neptunium
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Francium vs Einsteinium

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