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20 Cards in this Set

  • Front
  • Back
Polyatomic Ion
an ion consisting of two or more atoms chemically bonded together and carrying a net electric charge.
Oxoanions
anions consisting of oxygen and another element.
Oxoanion Suffix

-ate

-ite
These suffixes denote the relative number of oxygen atoms in the oxoanion of a given characteristic element.

-ite : lesser number of oxygen atoms.

-ate : greater number of oxygen atoms
Oxoanion Prefix

-hypo

-per
Prefixes are used when there are more than two oxyanions of a given characteristic element.

Four oxoanions (lesser to greater):
hypo--ite
--ite
--ate
per--ate
SO₃²⁻
sulfite
SO₄²⁻
sulfate
NO₂⁻
nitrite
NO₃⁻
nitrate
CO₃²⁻
carbonate
PO₃³⁻
phosphite
PO₄³⁻
phosphate
ClO⁻
hypochlorite
ClO₂⁻
chlorite
ClO₃⁻
chlorate
ClO₄⁻
perchlorate
MnO₄⁻
permanganate
SeO₄²⁻
selenate
CrO₄²⁻
chromate
AsO₄³⁻
arsenate
SiO₃²⁻
silicate