Ions and Charges: Cations and Anions (Page 1)

Vocabulary flashcards covering common cations and anions by charge category from Page 1 notes.

Cation (positive ion)

A positively charged ion. Examples from the notes include NH4+, Na+, K+, Li+, Cu+, Ag+, Cs+, H+.

Anion (negative ion)

A negatively charged ion. Examples from the notes include Cl-, NO3-, CO3 2-, etc.

Ammonium ion (NH4+)

A +1 charged cation with formula NH4+.

Cesium ion (Cs+)

A +1 charged cation with formula Cs+.

Copper(I) ion (Cu+)

A +1 charged cation with formula Cu+.

Hydrogen ion (H+)

A +1 charged cation with formula H+.

Lithium ion (Li+)

A +1 charged cation with formula Li+.

Potassium ion (K+)

A +1 charged cation with formula K+.

Silver ion (Ag+)

A +1 charged cation with formula Ag+.

Sodium ion (Na+)

A +1 charged cation with formula Na+.

Barium ion (Ba2+)

A +2 charged cation with formula Ba2+.

Cadmium ion (Cd2+)

A +2 charged cation with formula Cd2+.

Calcium ion (Ca2+)

A +2 charged cation with formula Ca2+.

Chromium(II) ion (Cr2+)

A +2 charged cation with formula Cr2+.

Cobalt(II) ion (Co2+)

A +2 charged cation with formula Co2+.

Copper(II) ion (Cu2+)

A +2 charged cation with formula Cu2+.

Iron(II) ion (Fe2+)

A +2 charged cation with formula Fe2+.

Lead(II) ion (Pb2+)

A +2 charged cation with formula Pb2+.

Magnesium ion (Mg2+)

A +2 charged cation with formula Mg2+.

Mercury(II) ion (Hg2+)

A +2 charged cation with formula Hg2+.

Strontium ion (Sr2+)

A +2 charged cation with formula Sr2+.

Nickel(II) ion (Ni2+)

A +2 charged cation with formula Ni2+.

Tin(II) ion (Sn2+)

A +2 charged cation with formula Sn2+.

Zinc ion (Zn2+)

A +2 charged cation with formula Zn2+.

Aluminum ion (Al3+)

A +3 charged cation with formula Al3+.

Chromium(III) ion (Cr3+)

A +3 charged cation with formula Cr3+.

Iron(III) ion (Fe3+)

A +3 charged cation with formula Fe3+.

Tin(IV) ion (Sn4+)

A +4 charged cation with formula Sn4+.

Acetate ion (C2H3O2− or CH3COO−)

A -1 charged anion; common carboxylate derived from acetic acid.

Bromide ion (Br−)

A -1 charged anion with formula Br−.

Hypochlorite ion (ClO−)

A -1 charged anion with formula ClO−.

Chlorite ion (ClO2−)

A -1 charged anion with formula ClO2−.

Chlorate ion (ClO3−)

A -1 charged anion with formula ClO3−.

Perchlorate ion (ClO4−)

A -1 charged anion with formula ClO4−.

Chloride ion (Cl−)

A -1 charged anion with formula Cl−.

Cyanide ion (CN−)

A -1 charged anion with formula CN−.

Permanganate ion (MnO4−)

A -1 charged anion with formula MnO4−.

Thiocyanate ion (SCN−)

A -1 charged anion with formula SCN−.

Carbonate ion (CO3 2−)

A -2 charged anion with formula CO3 2−.

Chromate ion (CrO4 2−)

A -2 charged anion with formula CrO4 2−.

Dichromate ion (Cr2O7 2−)

A -2 charged anion with formula Cr2O7 2−.

Hydrogen phosphate ion (HPO4 2−)

A -2 charged anion with formula HPO4 2−.

Oxide ion (O2−)

A -2 charged anion with formula O2−.

Peroxide ion (O2 2−)

A -2 charged anion with formula O2 2−.

Sulfate ion (SO4 2−)

A -2 charged anion with formula SO4 2−.

Sulfide ion (S2−)

A -2 charged anion with formula S2−.

Sulfite ion (SO3 2−)

A -2 charged anion with formula SO3 2−.

Phosphate ion (PO4 3−)

A -3 charged anion with formula PO4 3−.

Arsenate ion (AsO4 3−)

A -3 charged anion with formula AsO4 3−.

Nitride ion (N3−)

A -3 charged anion with formula N3−.