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

Oh, Ho’s magnetic prowess puts all* others in the shade,
It concentrates magnetic flux, strong magnet poles thus made.
Cools fissile cores when burnt alive!
Its Ho:YAG beam, in surgeons’ hands—a versatile, safe “blade.”
“hose,” as in “a garden hose”
ELEVENTH IN THE LANTHANOID SERIES
Holmium is often cited as having the highest magnetic strength (also known as magnetic moment) of any naturally occurring element. (See “Iron, Fe” on page 74 for more about magnetic moments.) But the comparable magnetic strength of its immediate neighbor dysprosium ...