Divalent Quicksilver
This page is the CodyCross answer for the clue below from Physics, Group 1894, Puzzle 2 (Lasers and Radio).
Question is: Divalent Quicksilver
and the answer is: MERCURIC
Word Meaning:
MERCURIC — (obsolete, chemistry) Pertaining to or derived from mercury.
Definitions from Wiktionary.