and osmium 198˙6—was entirely at variance with the order demanded by their chemical and physical properties, and a standing contradiction of the periodie law of Newlands and Mendeleef.

Although the properties of pure metallic osmium, and particularly its atomic weight, are now known with certainty, the nature of its compounds is yet very little understood. Moreover, it is ...

Osmium tetroxide is regarded as a substance with poor warning properties, and noticeable symptoms can take hours to appear after exposure. OsO4 also stains the human cornea, which can lead to ...

Come with us on a little bit deeper of a dive, and why the extreme density of some asteroids could mean they’re made of an element we’ve yet to add. Osmium, in case you’re wondering ...