Crossword Puzzle on Halogens
Across
- 4. Greenish gas.
- 5. Known as the Father of Modern Chemistry.
- 7. Black solid.
- 8. Black solid, when heated becomes a purple vapor.
Down
- 1. Pale yellow gas.
- 2. Synthetic chemical element.
- 3. Dark red liquid.
- 6. Extremely toxic nonmetals.