April 2020
Intermediate to advanced
296 pages
5h 20m
English

Nd’s the tarnish’d lanthanoid with states II, IV, and III,
Combined in glass with “twin” Pr—helps welders safely see.
It’s “rare” by name but not for real,
enn-dees two four three
FOURTH IN THE LANTHANOID SERIES
Neodymium is a silvery-white rare-earth metal that readily tarnishes in air. It’s one of the few lanthanoids with three oxidation states available to it, namely II, III, or IV (Nd2+, Nd3+, or Nd4+). Most other lanthanoids make do with just one or two ...