×

Osmium
Osmium

Dubnium
Dubnium



ADD
Compare
X
Osmium
X
Dubnium

Facts About Osmium and Dubnium

Add ⊕
1 Facts
1.1 Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
1.2 Sources
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
Smithson Tennant
Joint Institute for Nuclear Research
1.3.2 Discovery
In 1803
In 1968
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-7 %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