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Francium
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Dubnium
Facts About Francium and Dubnium
Francium
Dubnium
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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
227
Actinium 227.
IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
In the production of Dubnium, thermal gradient chromatography is used.
1.2 Sources
Formed by Decay Process, Mining
Produced by Bombarding Am243 with Ne22, Synthetically Produced
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Joint Institute for Nuclear Research
1.3.2 Discovery
In 1939
In 1968
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Facts About Thallium
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0.005
(Facts About A..)
◀
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1.4.2 Abundance In Sun
Facts About Iron
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▶
▼
~-9999 %
Rank:
N/A
(Overall)
▶
~-9999 %
Rank:
N/A
(Overall)
▶
▲
Facts About Beryllium
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0.004
(Facts About S..)
◀
▶
ADD ⊕
1.4.3 Abundance In Meteorites
Facts About Iron
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▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
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Facts About Gold
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▶
0.91
(Facts About A..)
◀
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ADD ⊕
1.4.4 Abundance In Earth's Crust
Facts About Alu..
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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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▶
0.66
(Facts About T..)
◀
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ADD ⊕
1.4.5 Abundance In Oceans
Facts About Sod..
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▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Facts About Protactinium
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▶
0.042
(Facts About P..)
◀
▶
ADD ⊕
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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▶
0.14
(Facts About S..)
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Francium vs Neptunium
Francium vs Actinium
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Dubnium vs Californium
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