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Terbium
Terbium

Actinium
Actinium



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Terbium
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Actinium

Facts About Terbium and Actinium

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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
Obtained by Treating Radium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Carl Gustaf Mosander
Friedrich Oskar Giesel
1.3.2 Discovery
In 1842
In 1902
1.4 Abundance
1.4.1 Abundance In Universe
5 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.6.3 Abundance In Sun
~0.00000001 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.6.6 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.7.1 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.9.1 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
2.1.1 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4