×

Niobium
Niobium

Promethium
Promethium



ADD
Compare
X
Niobium
X
Promethium

Facts About Niobium and Promethium

1 Facts
1.1 Interesting Facts
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Charles Hatchett
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1801
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000004 %~-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