Write the name or chemical formula for each of the following:

1. Br3O8 ______________________
2. (NH4)3PO4 ______________________
3. Potassium selenide ______________________
4. H3PO4 (aq) ______________________
5. Cr2S3 ______________________
6. Tetraarsenic hexaoxide ______________________
7. Al(CN)3 ______________________
8. HCl ______________________
9. H2S (aq) ______________________
10. Iron (III) nitrite ______________________
11. Hg2O ______________________
12. SF4 ______________________
13. BH3 ______________________
14. TiCl4 ______________________
15. Pb(SO4)2 ______________________
16. Bi2(CO3)3 ______________________
17. Silver bicarbonate ______________________
18. Ca(OH)2 ______________________
19. Ni(SCN)2 ______________________
20. Heptane ______________________