Facts About Strontium and Osmium
Facts
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
Sources
Found in Minerals, Mining, Ores of Minerals
Found As a By-product, Found in Minerals, Mining
History
Who Discovered
William Cruickshank
Smithson Tennant
Discovery
In 1787
In 1803
Abundance
Abundance In Universe
4 * 10-6 %
14
3 * 10-7 %
21
Abundance In Sun
~0.000005 %
15
~0.0000002 %
25
Abundance In Meteorites
0.00 %
15
0.00 %
28
Abundance In Earth's Crust
0.04 %
10
0.00 %
99+
Abundance In Oceans
0.00 %
4
Not Available
Abundance In Humans
0.00 %
7
Not Available
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