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Dubnium
Dubnium

Neptunium
Neptunium



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Dubnium
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Neptunium

Facts About Dubnium and Neptunium

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1 Facts
1.1 Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
Not Available
1.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Made by Bombarding Uranium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Joint Institute for Nuclear Research
Edwin McMillan and Philip H. Abelson
1.3.2 Discovery
In 1968
In 1940
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4