General Chemistry Elements and Polyatomic Ions

Vocabulary practice flashcards for chemical element groups, families, and polyatomic ion formulas from General Chemistry lecture notes.

Ammonium

Polyatomic cation with the formula $NH_4^+$

Peroxide

Polyatomic anion with the formula $O_2^{2-}$

Hydroxide

Polyatomic anion with the formula $OH^-$

Acetate

Polyatomic anion with the formula $C_2H_3O_2^-$

Cyanide

Polyatomic anion with the formula $CN^-$

Carbonate

Polyatomic anion with the formula $CO_3^{2-}$

Bicarbonate

Polyatomic anion with the formula $HCO_3^-$

Nitrate

Polyatomic anion with the formula $NO_3^-$

Nitrite

Polyatomic anion with the formula $NO_2^-$

Sulfate

Polyatomic anion with the formula $SO_4^{2-}$

Hydrogen sulfate

Polyatomic anion with the formula $HSO_4^-$

Sulfite

Polyatomic anion with the formula $SO_3^{2-}$

Hydronium

Polyatomic cation with the formula $H_3O^+$

Hydrogen sulfite

Polyatomic anion with the formula $HSO_3^-$

Phosphate

Polyatomic anion with the formula $PO_4^{3-}$

Hydrogen phosphate

Polyatomic anion with the formula $HPO_4^{2-}$

Dihydrogen phosphate

Polyatomic anion with the formula $H_2PO_4^-$

Perchlorate

Polyatomic anion with the formula $ClO_4^-$

Chlorate

Polyatomic anion with the formula $ClO_3^-$

Chlorite

Polyatomic anion with the formula $ClO_2^-$

Hypochlorite

Polyatomic anion with the formula $ClO^-$

Chromate

Polyatomic anion with the formula $CrO_4^{2-}$

Dichromate

Polyatomic anion with the formula $Cr_2O_7^{2-}$

Permanganate

Polyatomic anion with the formula $MnO_4^-$

Oxalate

Polyatomic anion with the formula $C_2O_4^{2-}$

Thiosulfate

Polyatomic anion with the formula $S_2O_3^{2-}$

Azide

Polyatomic anion with the formula $N_3^-$

Chemical Families

Groups of elements located on the same column of the periodic table that exhibit similar chemical properties

Group VIIA (Halogens)

A group of nonmetal elements that includes Fluorine ($F$), Chlorine ($Cl$), Bromine ($Br$), and Iodine ($I$)

Group VIIIA (Noble or Inert Gases)

A group of unreactive gas elements that includes Helium ($He$), Neon ($Ne$), Argon ($Ar$), Krypton ($Kr$), Xenon ($Xe$), and Radon ($Rn$)

Group IA

Group of elements consisting of Lithium ($Li$), Sodium ($Na$), Potassium ($K$), Rubidium ($Rb$), Cesium ($Cs$), and Francium ($Fr$)

Group IIA

Group of elements consisting of Beryllium ($Be$), Magnesium ($Mg$), Calcium ($Ca$), Strontium ($Sr$), Barium ($Ba$), and Radium ($Ra$)