CALCIUM

White metallic element found in most animals and plants, Ca (7)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 15,658 — 2020-07-13 23:00:34
  9A: White metallic element (Ca), essential in bones and teeth (7)
• Quick crossword No 15,339 — 2019-07-05 23:00:06
  2D: White metallic element found in most animals and plants, Ca (7)