Highlights

In an Advance for Promethium Production, Researchers Get a New View of the Element’s Properties
Scientists characterize a promethium coordination complex for the first time, furthering the understanding of difficult-to-study lanthanide elements.

Excited Electronic States of Metallic Atoms Rely on their Sulfuric Neighbors
Scientists discover that bond covalency is an important property of excited states in molecules containing metal-sulfur bonds.