Common Chemical Ions and Formulas

Practice flashcards covering common monoatomic and polyatomic ions, elemental group ionic charges, and their corresponding chemical formulas.

All alkali metals

$$X^{+1}$$

Ammonium

$$NH_4^{+1}$$

Copper(I)

$$Cu^{+1}$$

Cuprous

$$Cu^{+1}$$

Hydrogen

$$H^{+1}$$

Hydronium

$$H_3O^{+1}$$

Silver

$$Ag^{+1}$$

All alkaline Earth metals

$$M^{+2}$$

Cadmium

$$Cd^{+2}$$

Chromium(II)

$$Cr^{+2}$$

Chromous

$$Cr^{+2}$$

Cobalt

$$Co^{+2}$$

Copper(II)

$$Cu^{+2}$$

Cupric

$$Cu^{+2}$$

Iron(II)

$$Fe^{+2}$$

Ferrous

$$Fe^{+2}$$

Lead(II)

$$Pb^{+2}$$

Plumbous

$$Pb^{+2}$$

Manganese

$$Mn^{+2}$$

Mercury(I)

$$Hg_2^{+2}$$

Mercurous

$$Hg_2^{+2}$$

Mercury(II)

$$Hg^{+2}$$

Mercuric

$$Hg^{+2}$$

Nickel

$$Ni^{+2}$$

Tin(II)

$$Sn^{+2}$$

Stannous

$$Sn^{+2}$$

Zinc

$$Zn^{+2}$$

All Group 13 ions

$$J^{+3}$$

Aluminum

$$Al^{+3}$$

Chromium(III)

$$Cr^{+3}$$

Chromic

$$Cr^{+3}$$

Iron(III)

$$Fe^{+3}$$

Ferric

$$Fe^{+3}$$

Lead(IV)

$$Pb^{+4}$$

Plumbic

$$Pb^{+4}$$

Tin(IV)

$$Sn^{+4}$$

Stannic

$$Sn^{+4}$$

All halogen ions

$$X^{-1}$$

Acetate

$$C_2H_3O_2^{-1}$$

Chlorate

$$ClO_3^{-1}$$

Chlorite

$$ClO_2^{-1}$$

Cyanide

$$CN^{-1}$$

Dihydrogen phosphate

$$H_2PO_4^{-1}$$

Hydride

$$H^{-1}$$

Hydrogen carbonate

$$HCO_3^{-1}$$

bicarbonate

$$HCO_3^{-1}$$

Hydrogen sulfate

$$HSO_4^{-1}$$

Hydroxide

$$OH^{-1}$$

Hypochlorite

$$ClO^{-1}$$

Nitrate

$$NO_3^{-1}$$

Nitrite

$$NO_2^{-1}$$

Perchlorate

$$ClO_4^{-1}$$

Permanganate

$$MnO_4^{-1}$$

All Group 16 ions

$$M^{-2}$$

Carbonate

$$CO_3^{-2}$$

Chromate

$$CrO_4^{-2}$$

Dichromate

$$Cr_2O_7^{-2}$$

Hydrogen phosphate

$$HPO_4^{-2}$$

Oxalate

$$C_2O_4^{-2}$$

Peroxide

$$O_2^{-2}$$

Sulfate

$$SO_4^{-2}$$

Sulfite

$$SO_3^{-2}$$

Tartrate

$$C_4H_4O_6^{-2}$$

All Group 15 ions

$$J^{-3}$$

Phosphate

$$PO_4^{-3}$$

Phosphite

$$PO_3^{-3}$$