Hydroiodic Acid (H-I)
-10
Hydrobromic acid (H-Br)
-9
Hydrochloric Acid (H-Cl)
-8
Sulfuric Acid (H2O4S)
-3
Hydronium Ion (H3O+)
-1.7
Hydrofluoric Acid (H-F)
3.2
Carboxylic Acids (R-OOH)
4-5
Protonated Amines
9-11
Water (H2O)
15.7
Alcohols (R-OH)
16-18
Ketones (R-COH)
20-24
Esters (RO-O-CH)
25
Terminal Alkynes (3x Bonds)
25
Amines (R-NH)
35
Alkenes
44
Alkanes
50
Hydrogen (H-H)
35