| Answer | Crossword Clue |
|---|---|
| LITHIA | Oxide of the lightest known metal. |
| HYDROGEN | The lightest of all known substances. |
| METAL | Lithium is the lightest one known |
| Answer | Crossword Clue |
|---|---|
| LITHIA | Oxide of the lightest known metal. |
| HYDROGEN | The lightest of all known substances. |
| METAL | Lithium is the lightest one known |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.