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. It should not be surprising to you to find the alkali metals at the top of the list and the more unreactive metals at the bottom of the list.

Use this table to predict single replacement reactions.

This is a reference table and will be available to you in examinations. Do not attempt to memorize this table.

Lithium Li  Li+ + e-
Potassium 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-