1. Penicillin Discovered (1928)
Mastering Chemistry #5 – due Tomorrow
Chapter 5 #’s all, 82, 84, all
about 1 hour 45 minutes
Nomenclature Assignment – Due Friday
Exam Friday

2. Acid Nomenclature (the words)
formula to name
Step 1: name the anion
Step 2: change the name of the anion
HUH?!?!?!?

3. Acid Nomenclature (the words)
The Rules
anion
acid name
stemide
hydrostemic acid
stemite
stemous acid
stemate
stemic acid
I ate something icky at the White House

4. Acid Nomenclature (the words)
formula to name
Step 1: name the anion
Step 2: change the name of the anion
Step 3: The End

5. HC2H3O2(aq)
HNO2(aq)
H2CrO4(aq)
H2Se(aq)
HCN(aq)
HBrO(aq)
HClO4(aq)

6. HC2H3O2(aq) HC2H3O2(aq) HC2H3O2-1 1) cover the H(s) and name the anion
acetate
2) change the name of the anion
acetate
 acetic acid
done

7. HNO2(aq) HNO2(aq) HNO2-1 1) cover the H(s) and name the anion nitrite
2) change the name of the anion
nitrite
 nitrous acid
done

8. H2CrO4(aq) H2CrO4(aq) H2CrO4-2 1) cover the H(s) and name the anion
chromate
2) change the name of the anion
chromate
 chromic acid
done

9. H2Se(aq) H2Se(aq) H2Se-2 1) cover the H(s) and name the anion selenide
2) change the name of the anion
selenide
 hydroselenic acid
done

10. HCN(aq) HCN(aq) HCN-1 1) cover the H(s) and name the anion cyanide
2) change the name of the anion
cyanide
 hydrocyanic acid
done

11. HBrO(aq) HBrO-1 HBrO(aq) 1) cover the H(s) and name the anion
hypobromite
2) change the name of the anion
hypobromite
 hypobromous acid
done

12. HClO4(aq) HClO4(aq) HClO4-1 1) cover the H(s) and name the anion
selenide
2) change the name of the anion
perchlorate
 perchloric acid
done

13. HC2H3O2(aq)
HNO2(aq)
H2CrO4(aq)
H2Se(aq)
HCN(aq)
HBrO(aq)
HClO4(aq)
acetic acid
nitrous acid
chromic acid
hydroselenic acid
hydrocyanic acid
hypobromous acid
perchloric acid

14. Acid Nomenclature (the words)
name to formula
Step 1: write the symbol for the anion
Step 2: balance the charge by adding hydrogen(s) in front
Step 3: add an (aq) at the end
Step 4: The End
charge on the anion = # of hydrogens in acid

15. bromous acid
nitric acid
periodic acid
hydrosulfuric acid
permanganic acid
hydrofluoric acid
phosphorous acid
sulfuric acid
hypochlorous acid

16. bromous acid 1) change acid name to anion name bromous acid  bromite
2) write symbol for anion
bromite = BrO2-1
3) add hydrogen and (aq)
charge = -1, so need 1 H
BrO2-1  HBrO2(aq)
done

17. nitric acid 1) change acid name to anion name nitric acid  nitrate
2) write symbol for anion
nitrate = NO3-1
3) add hydrogen and (aq)
charge = -1, so need 1 H
NO3-1  HNO3(aq)
done

18. periodic acid 1) change acid name to anion name periodic acid
 periodate
2) write symbol for anion
periodate = IO4-1
3) add hydrogen and (aq)
charge = -1, so need 1 H
IO4-1  HIO4(aq)
done

19. hydrosulfuric acid 1) change acid name to anion name
 sulfide
2) write symbol for anion
sulfide = S-2
3) add hydrogen and (aq)
charge = -2, so need 2 H
S-2  H2S(aq)
done

20. permanganic acid 1) change acid name to anion name permanganic acid
 permanganate
2) write symbol for anion
permanganate = MnO4-1
3) add hydrogen and (aq)
charge = -1, so need 1 H
MnO4-1  HMnO4(aq)
done

21. hydrofluoric acid 1) change acid name to anion name hydrofluoric acid
 fluoride
2) write symbol for anion
fluoride = F-
3) add hydrogen and (aq)
charge = -1, so need 1 H
F-  HF(aq)
done

22. phosphorous acid 1) change acid name to anion name phosphorous acid
 phosphite
2) write symbol for anion
phosphite = PO3-3
3) add hydrogen and (aq)
charge = -3, so need 3 H
PO3-3  H3PO3(aq)
done

23. sulfuric acid 1) change acid name to anion name sulfuric acid
 sulfate
2) write symbol for anion
sulfate = SO4-2
3) add hydrogen and (aq)
charge = -2, so need 2 H
SO4-2  H2SO4(aq)
done

24. hypochlorous acid 1) change acid name to anion name hypochlorous acid
 hypochlorite
2) write symbol for anion
hypochlorite = ClO-1
3) add hydrogen and (aq)
charge = -1, so need 1 H
ClO-1  HClO(aq)
done