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Polonium
Polonium

Yttrium
Yttrium



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Facts About Polonium and Yttrium

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1 Facts
1.1 Interesting Facts
  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
1.2 Sources
Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Pierre Curie and Marie Curie
Johan Gadolin
1.3.2 Discovery
In 1898
In 1794
1.4 Abundance
1.4.1 Abundance In Universe
NA7 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.0000001 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4