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Rhodium
Rhodium

Dubnium
Dubnium



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Dubnium

Facts About Rhodium and Dubnium

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1 Facts
1.1 Interesting Facts
  • Rhodium is the rarest element out of all non-radioactive metals on the earth .
  • Rhodium is one of the most durable and hard metal, which also have high reflectance.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
1.2 Sources
Earth's crust, Found As a By-product, Found in Minerals, Mining
Produced by Bombarding Am243 with Ne22, Synthetically Produced
1.3 History
1.3.1 Who Discovered
William Hyde Wollaston
Joint Institute for Nuclear Research
1.3.2 Discovery
In 1804
In 1968
1.4 Abundance
1.4.1 Abundance In Universe
6 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000002 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %NA
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