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Terbium
Terbium

Roentgenium
Roentgenium



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Terbium
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Roentgenium

Facts About Terbium and Roentgenium

1 Facts
1.1 Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
Not Available
1.2 Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Carl Gustaf Mosander
Gesellschaft für Schwerionenforschung
1.3.2 Discovery
In 1842
In 1994
1.4 Abundance
1.4.1 Abundance In Universe
5 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.00000001 %~-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