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

Dear scandium’s the first “rare earth,” transition metal too,
Its halide Hg-vapor lamps keep Messi’s skills in view.
Helps “Al” fulfill strong lightweight needs,
GROUP 3 TRANSITION METALS
Scandium is first in the family of elements known as the transition metals that span groups 3 to 12 of the periodic table. It’s also the first member of the club of rare-earth metals; the others are yttrium and the 15 lanthanoids (from lanthanum to lutetium). The term ...