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Francium
Francium
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Rubidium
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Facts About Francium and Rubidium
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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.
  • Rubidium metal is 16th most common element found in the earth crust.
  • Rubidium metal also found in minerals as well as seawater.
1.2 Sources
Formed by Decay Process, Mining
Obtained from Lithium Production.
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Robert Bunsen and Gustav Kirchhoff
1.3.2 Discovery
In 1939
In 1861
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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Not Available
Rank: N/A (Overall)▶
1 * 10-6 %
Rank: 16 (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)▶
~0.000003 %
Rank: 17 (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: 19 (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)▶
0.01 %
Rank: 18 (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: 7 (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)▶
0.00 %
Rank: 7 (Overall)▶
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Facts About Radium
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Compare All Metals

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Francium vs Neptunium
Francium MetalActinium Metal
Francium vs Actinium
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Francium vs Einsteinium

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