Pushing the known limits of lanthanide oxidation, chemists have isolated praseodymium (Pr) in the +5 oxidation state. While Pr 5+ compounds have been observed in the gas phase and in noble gas matrix ...

A longstanding mystery of the periodic table involves a group of unique elements called lanthanides. Also known as rare earth elements, or REEs, these silvery-white metals are challenging to isolate, ...

Aluminum's journey has been remarkable, going from being more expensive than gold to one of the most widely used materials, from beverage cans to window frames and car parts. Scientists from the ...