Across
- 2. NaBr
- 3. Potassiumsulfide
- 5. Cesiumnitride
- 7. H2Se
- 8. TetraphosphorusPentasulfide
- 9. Disphosphoruspentoxide
- 10. Mecury(I)Flourine
- 13. P2O5
- 15. NaH
- 18. Hydroboricacid
- 20. calciumcholride
Down
- 1. H3As
- 4. Ag2S
- 6. HCl
- 11. DihydrogenOxide
- 12. Nickel(I)Sulfide
- 14. NitrogenTribromide
- 16. Mangnesium boride
- 17. Silversulfide
- 19. Tetrachloride