TERNARY ACIDS

Across

3. nitros
8. cyanic
11. carbonic
12. perchloric
14. formic
17. iodic
18. chrlous
19. sulfuric
20. permanganic

Down

1. periodic
2. metaphric
4. sulfrufours
5. oxalic
6. hypochros
7. nitric
9. bromic
10. chloric
13. idos
15. chromic
16. metaboric