×

Thulium
Thulium

Dubnium
Dubnium



ADD
Compare
X
Thulium
X
Dubnium

Facts About Thulium and Dubnium

Add ⊕
1 Facts
1.1 Interesting Facts
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Produced by Bombarding Am243 with Ne22, Synthetically Produced
1.3 History
1.3.1 Who Discovered
Per Teodor Cleve
Joint Institute for Nuclear Research
1.3.2 Discovery
In 1879
In 1968
1.4 Abundance
1.4.1 Abundance In Universe
1 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.00000002 %~-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
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4