This page lists every known solution for the clue “Atomic Number 12” in Crossword Challenge. Because this clue can appear in different puzzles (levels) with different required answers, we first list all the answers, then show which one appears in each puzzle below.
Atomic Number 12 Crossword Challenge Answers (All Variants)
Magnesium
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for Atomic Number 12 Clue
Where This Clue Appears
Last Checked: September 12, 2025