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 is the third-most abundant element in Earth’s crust, after oxygen and silicon. The metal is low cost and highly recyclable, thus making it attractive for chemists looking for more sustainable ...