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

Lecoq explored Samarsky’s ore, Sm’s fine lines to see,
Pre-NIB its Co5 held sway, thus headphones came to be.
Keeps best when stored ’neath argon’s layer,
ess-emms
SIXTH IN THE LANTHANOID SERIES
Samarium was discovered in 1879 when French chemist Paul-Émile Lecoq de Boisbaudran (1838–1912) observed some previously unassigned spectral lines in the atomic spectrum produced by a sample he had skillfully extracted from the mineral samarskite. Lecoq de Boisbaudran ...