Common Ions and Charges Vocabulary

Vocabulary flashcards covering common monatomic and polyatomic cations, anions, formulas, and group charges directly from the lecture notes.

Monatomic Ion

An ion composed of one element.

Polyatomic Ion

An ion composed of 2 or more elements.

Group 1 Ions

Cations with a charge of $+1$.

Group 2 Ions

Cations with a charge of $+2$.

Group 13 Metals

Metals that form cations with a charge of $+3$.

Group 15 Nonmetals

Nonmetals that form anions with a charge of $-3$.

Group 16 Ions

Anions with a charge of $-2$.

Group 17 Ions

Anions with a charge of $-1$.

Ammonium

A $(+1)$ polyatomic cation with the formula $NH_4$.

Acetate

A $(-1)$ polyatomic anion with the formula $C_2H_2O_2$.

Copper (I)

A $(+1)$ cation with the formula $Cu^+$.

Perchlorate

A $(-1)$ polyatomic anion with the formula $ClO_4$.

Mercury (I)

A $(+1)$ cation listed with the formula $Hg_2^{+2}$.

Chlorate

A $(-1)$ polyatomic anion with the formula $ClO_3$.

Silver

A $(+1)$ cation with the symbol $Ag$.

Chlorite

A $(-1)$ polyatomic anion with the formula $ClO_2$.

Cadmium

A $(+2)$ cation with the formula $Cd^{+2}$.

Hypochlorite

A $(-1)$ polyatomic anion with the formula $ClO$.

Chromium (II)

A $(+2)$ cation with the formula $Cr^{+2}$.

Cyanide

A $(-1)$ polyatomic anion with the formula $CN$.

Cobalt (II)

A $(+2)$ cation with the formula $Co^{+2}$.

Hydride

A $(-1)$ anion with the symbol $H$.

Copper (II)

A $(+2)$ cation with the formula $Cu^{+2}$.

Bicarbonate

A $(-1)$ polyatomic anion with the formula $HCO_3$.

Iron (II)

A $(+2)$ cation with the formula $Fe^{+2}$.

Bisulfate

A $(-1)$ polyatomic anion listed with the formula $HSO$.

Lead (II)

A $(+2)$ cation with the formula $Pb^{+2}$.

Bisulfite

A $(-1)$ polyatomic anion with the formula $HSO_3$.

Manganese (II)

A $(+2)$ cation with the formula $Mn^{+2}$.

Bisulfide

A $(-1)$ polyatomic anion with the formula $HS$.

Zinc

A $(+2)$ cation listed as $Zn$ .

Hydroxide

A $(-1)$ polyatomic anion with the formula $OH$.

Mercury (II)

A $(+2)$ cation with the formula $Hg^{+2}$.

Nitrate

A $(-1)$ polyatomic anion with the formula $NO_3$.

Nickel (II)

A $(+2)$ cation with the formula $Ni^{+2}$.

Nitrite

A $(-1)$ polyatomic anion with the formula $NO_2$.

Tin (II)

A $(+2)$ cation with the formula $Sn^{+2}$.

Permanganate

A $(-1)$ polyatomic anion listed with the formula $MnO$.

Arsenic

A $(+3)$ cation with the formula $As^{+3}$.

Carbonate

A $(-2)$ polyatomic anion with the formula $CO3^{-2}$ .

Bismuth

A $(+3)$ cation with the formula $Bi^{+3}$.

Chromate

A $(-2)$ polyatomic anion listed with the formula $CrO^{-2}$.

Antimony

A $(+3)$ cation listed as $Sb3$ .

Dichromate

A $(-2)$ polyatomic anion listed with the formula $Cr_2O^{-2}$.

Chromium (III)

A $(+3)$ cation with the formula $Cr^{+3}$.

Oxalate

A $(-2)$ polyatomic anion listed with the formula $C_2O4^{-2}$ .

Cobalt (III)

A $(+3)$ cation with the formula $Co^{+3}$.

Peroxide

A $(-2)$ anion listed with the formula $O_2^{-2}$.

Iron (III)

A $(+3)$ cation with the formula $Fe^{+3}$.

Sulfate

A $(-2)$ polyatomic anion listed with the formula $SO4^{-2}$ .

Manganese (III)

A $(+3)$ cation with the formula $Mn^{+3}$.

Sulfite

A $(-2)$ polyatomic anion listed with the formula $SO3^{-2}$ .

Nickel (III)

A $(+3)$ cation with the formula $Ni^{+3}$.

Phosphate

A $(-3)$ polyatomic anion listed with the formula $PO_4^{-3}$.

Tin (IV)

A $(+4)$ cation with the formula $Sn^{+4}$.

Phosphite

A $(-3)$ polyatomic anion listed with the formula $PO_3^{-3}$.

Lead (IV)

A $(+4)$ cation with the formula $Pb^{+4}$.