Facts About Calcium and Osmium
Interesting Facts
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
- 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
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found As a By-product, Found in Minerals, Mining
Who Discovered
Humphry Davy
Smithson Tennant
Discovery
In 1808
In 1803
Abundance In Earth's Crust
Abundance In Oceans
Not Available
Abundance In Humans
Not Available