A Radioactive Element With the Symbol Pu
This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1565, Puzzle 5 (Polar Ice Caps).
Question is: A Radioactive Element With the Symbol Pu
and the answer is: PLUTONIUM
Word Meaning:
PLUTONIUM — The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
Definitions from Wiktionary.