Activity Series of Metals

The following table shows the activity series for some of the more common metals in order of deceasing reactivity, with the most reactive metal at the top of the list.

Lithium Li --> Li+ + e-
Potassium K --> K+ + e-
Barium Ba --> Ba2+ + 2 e-
Calcium Ca --> Ca2+ + 2 e-
Sodium Na --> Na+ + e-
Magnesium Mg --> Mg2+ + 2 e-
Aluminum Al --> Al3+ + 3 e-
Manganese Mn --> Mn2+ + 2 e-
Zinc Zn --> Zn2+ + 2 e-
Chromium Cr --> Cr3+ + 3 e-
Iron Fe --> Fe2+ + 2 e-
Cobalt Co --> Co2+ + 2 e-
Nickel Ni --> Ni2+ + 2 e-
Tin Sn --> Sn2+ + 2 e-
Lead Pb --> Pb2+ + 2 e-
Hydrogen H2 --> 2 H+ + 2 e-
Copper Cu --> Cu2+ + 2 e-
Silver Ag --> Ag+ + e-
Mercury Hg --> Hg2+ + 2 e-
Platinum Pt --> Pt2+ + 2 e-
Gold Au --> Au3+ + 3 e-