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

Though glimpsed by Crookes, Pa was brought more clearly into view,
By Fajans/Göhring, Meitner/Hahn, and Soddy/Cranston too.
You’ll find it deep in pitchblende ores,
pee-ay
THIRD IN THE ACTINOID SERIES
Protactinium’s discovery was a prolonged event, beginning in 1900 when English chemist William Crookes separated a highly radioactive material from uranium. Unfortunately, Crookes didn’t recognize ...