Last seen in:
- L.A. Times Daily - Dec 14 2020
- The Washington Post - Dec 14 2020
- The Sun - Two Speed - Jun 13 2020
- Wall Street Journal - Aug 5 2019 - A/C Units
- The Sun - Two Speed - Feb 2 2019
- Wall Street Journal - Dec 26 2018 - Boxing Day
- The Sun - Two Speed - Aug 29 2018
- L.A. Times Daily - Aug 17 2018
- The Washington Post - Aug 17 2018
- The Washington Post - Jan 25 2016
Related Clues:
- Mineral in oysters
- Next-to-last element alphabetically
- Kettle material
- Element in electrodes
- It makes cents
- 97.5% of a penny
- "From A to ___" (multivitamin ad line)
- Multivitamin mineral
- Calamine component
- ___ oxide (white powder)
- Element whose chemical symbol is used in this puzzle's theme
- Major Peruvian export
- 7th wedding anniversary gift
- Brass constituent
- Chemical element, symbol Cu