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Terbium
Terbium

Protactinium
Protactinium



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Terbium
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Protactinium

Facts About Terbium and Protactinium

1 Facts
1.1 Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
1.2 Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Carl Gustaf Mosander
William Crookes
1.3.2 Discovery
In 1842
In 1900
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 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Tin
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4