CATIONS

Ammonium ion

$$NH_4^+$$

Copper(I) ion (cuprous ion)

$$Cu^+$$

Hydrogen ion

$$H^+$$

Hydronium ion

$$H_3O^+$$

Lithium ion

$$Li^+$$

Potassium ion

$$K^+$$

Rubidium ion

$$Rb^+$$

Silver ion

$$Ag^+$$

Sodium ion

$$Na^+$$

Barium ion

$$Ba^{2+}$$

Cadmium ion

$$Cd^{2+}$$

Calcium ion

$$Ca^{2+}$$

Chromium(II) ion (chromous ion)

$$Cr^{2+}$$

Cobalt(II) ion (cobaltous ion)

$$Co^{2+}$$

Copper(II) ion (cupric ion)

$$Cu^{2+}$$

Iron(II) ion (ferrous ion)

$$Fe^{2+}$$

Lead(II) ion (plumbous ion)

$$Pb^{2+}$$

Magnesium ion

$$Mg^{2+}$$

Manganese(II) ion

$$Mn^{2+}$$

Mercury(I) ion (mercurous ion)

$$Hg_2^{2+}$$

Mercury(II) ion (mercuric ion)

$$Hg^{2+}$$

Nickel(II) ion

$$Ni^{2+}$$

Strontium ion

$$Sr^{2+}$$

Tin(II) ion (stannous ion)

$$Sn^{2+}$$

Zinc ion

$$Zn^{2+}$$

Aluminum ion

$$Al^{3+}$$

Chromium(III) ion (chromic ion)

$$Cr^{3+}$$

Iron(III) ion (ferric ion)

$$Fe^{3+}$$

Lead(IV) ion (plumbic ion)

$$Pb^{4+}$$

Tin(IV) ion (stannic ion)

$$Sn^{4+}$$