Osmio Elemento quimico - 76 Os

76 Osmium -Os- A shiny, silvery blue, very dense precious metal which belongs to the platinum group. In powder form it reacts with oxygen to give off a pungent, toxic tetroxide

Mercurio Elemento quimico - 80 Hg

80 Mercury -Hg- A beautiful bright, silvery, dense liquid metal. It is toxic and combines with many other elements.

Titanio Elemento quimico - 22 Ti

22 Titanium Ti- This titanium blisk (bladed impeller disk) is from the intake stage of a jet engine, where the light weight and high strength of titanium are key. Titanium is expensive because it must be cast under inert atmosphere.