1. Ionic
2. Covalent
3. Ionic
4. Ionic
5. Ionic
6. Ionic
7. Ionic
8. Covalent
9. Covalent
10. Covalent
11. Covalent N2O3
12. Covalent N
13. Covalent CH4
14. Ionic C2H3LiO2
15. Covalent PF3
16. Ionic V2O5
17. Ionic Al(OH)3
18. Ionic ZnS
19. Ionic SiH4
20. Ionic Ag3PO4
Hope this helps!
-Belle