CARBON

Non-metallic element, C (6)

Solution has appeared in 3 crosswords (3 across and 0 down):

• Quick crossword No 15,743 — 2020-10-20 23:00:19
  12A: Diamond or graphite element (6)
• Quick crossword No 15,450 — 2019-11-13 00:00:06
  14A: Non-metallic element found in all organic compounds (6)
• Quick crossword No 15,268 — 2019-04-14 23:00:02
  7A: Non-metallic element, C (6)