Clue | Source | Date |
---|---|---|
Iron or lead | LA Times Daily | 11 Jan 2022 |
Mercury or gallium | USA Today | 22 Jul 2017 |
Mercury or gallium | ||
Mercury or silver | ||
What's been deposited in four squares of this puzzle, expressed both by name and by symbol | ||
Silver | ||
IRON | ||
Mercury | ||
SILVER | ||
Mercury |