4 ms·
"Rare earths" are actually the lanthanides plus scandium and yttrium [1], not one column of the periodic table. Good information otherwise! [1] https://en.wiki
by philipkglass 4y ago
"Rare earths" are actually the lanthanides plus scandium and yttrium [1], not one column of the periodic table. Good information otherwise!
[1] https://en.wikipedia.org/wiki/Lanthanide#Etymology https://en.wikipedia.org/wiki/Lanthanide#Etymology
- wumpus 4y agoHa ha busted! Thanks. As an astronomer I think everything beyond He is a metal.