Discovered in the early 1800s from a chunk of smuggled platinum ore, rhodium is the most valuable precious metal on the ...

MXenes are a class of two-dimensional materials that were discovered in 2011. Theoretical studies previously predicted that ...

They are highly selective and can be easily separated from the reaction mixture: single-atom catalysts combine the advantages of homogeneous and ...

The hot metal wires will burn away if any oxygen from the air is present in the lamp. Argon, krypton and xenon are very unreactive. They replace the air inside the lamp, preventing the metal wire ...