来自MSN1 个月
Scientists Discovered Promethium in 1945. They Only Just Learned What It Actually Does.
That’s because the team successfully demonstrated a phenomenon known as “lanthanide contraction,” which explains how as atomic numbers increase in the lanthanide series, the radii of ions ...
AZoM on MSN5 个月
Groundbreaking Study Sheds Light on Lanthanide Chemistry with Promethium
These unique properties may stem from a phenomenon referred to as "lanthanide contraction." The atomic and ionic radii of ...