Technetium and Rhodium.
the most expensive material used to make a casket, bronze, is considered by the industry to be the material most suitable for casket construction due to its strength and natural ability to resist rust
The most expensive houses in the world are spread throughout different countries / continents. There is no country / location that contains all of the most expensive houses. The world most expensive house is located in India and the second most expensive is located in France.
Ruby,Emerld,Topaz,Dimond and Sapphire are most expensive
caesium is the most reactive non-radioactive metal and Florine is the most reactive non-metal, but francium is the most reactive, radioactive metal
Platiaum is the most expensive metal they use to make jewlery.
diamonds
Currently Platinum
Technetium and Rhodium.
Because they were made of some good metal or something.....
because it is one of the most used metals
Iridium is the most strongest, rarest, densest, expensive, lightest metal ever known
Rhodium is currently the most expensive metal commodity. It is used primarily in catalytic converters for vehicles and in the production of other chemicals. Its price can fluctuate significantly due to supply and demand dynamics in the market.
Steel in most cases. Aluminum in some very expensive cars.
Rhodium is currently considered the most expensive metal in the world. It is used in catalytic converters and jewelry, and its price fluctuates due to supply and demand dynamics in the market.
No, they are often very impure, hence the lengthy and expensive refining processes for most.
Rhodium is pretty rare and very expensive. More rare than platinum.