| Answer | Crossword Clue |
|---|---|
| periodic | Relating to the periodic table of the elements or the pattern of chemical properties that underlies it |
| Answer | Crossword Clue |
|---|---|
| periodic | Relating to the periodic table of the elements or the pattern of chemical properties that underlies it |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.