Atomic No. 96, Named for Radioactivity Scientists
Puzzle 16 of Periodic Table Medium Pack
Question is: Atomic No. 96, Named for Radioactivity Scientists
and the answer is: CURIUM
Word Meaning:
CURIUM — (chemistry) A radioactive and highly fissile, silver-grey, metallic, transuranic chemical element (symbol Cm) with an atomic number of 96, which is artificially produced in a particle accelerator.
Definitions from Wiktionary.