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Rubidium
Rubidium

Francium
Francium



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Facts About Rubidium and Francium

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1 Facts
1.1 Interesting Facts
  • Rubidium metal is 16th most common element found in the earth crust.
  • Rubidium metal also found in minerals as well as seawater.
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
Obtained from Lithium Production.
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Marguerite Perey
1.3.2 Discovery
In 1861
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
1 * 10-6 %
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.000003 %
Rank: 17 (Overall)
~-9999 %
Rank: N/A (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 19 (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..
0.01 %
Rank: 18 (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: 7 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
0.00 %
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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