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Silver
Silver

Osmium
Osmium



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Osmium

Facts About Silver and Osmium

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1 Facts
1.1 Interesting Facts
  • It is the most reflective element.
  • Silver is the second most ductile metal after Gold.
  • It is also used in Dentistry as a dental alloys for clips and crowning.
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
1.2 Sources
Earth's crust, Found in Minerals, Ores of metals
Found As a By-product, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Unknown
Smithson Tennant
1.3.2 Discovery
Before 5000 BC
In 1803
1.4 Abundance
1.4.1 Abundance In Universe
6 * 10-8 %3 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.0000002 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %0.00 %
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 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4