Ions Quiz Chem

Polyatomic Ions

Polyatomic Ions

What are the prefixes/suffixes in least to greatest O atoms order? Which is “standard”?

hypo-ite, -ite, -ate, per-ate

“-ate” is the standard ion. “-ite” has 1 less oxygen than “-ate”, “hypo-” has 1 less than “-ite”, and “per-” has 1 more than “-ate”.

What does adding “hydrogen” to the name of a polyatomic ion do? (ex: hydrogen carbonate)

Adds H+.

Carbonate: CO₃^2-

Hydrogen Carbonate: HCO₃^-

(dihydrogen adds two H+s, etc.)

Acetate

C₂H₃O₂-

Ammonium

NH₄+

Carbonate

CO₃^2-

hydrogen carbonate ion (aka bicarbonate)

HCO₃^-

oxalate

C₂O₄^2-

chlorate

ClO₃^-

chlorite

ClO₂^-

hypochlorite

ClO^-

perchlorate

ClO₄^-

permanganate

MnO₄^-

chromate

CrO₄^2-

dichromate

Cr₂O₇^2-

iodate

IO₃^-

nitrate

NO₃^-

nitrite

NO₂^-

phosphate

PO₄^3-

phosphite

PO₃^3-

hydrogen phosphate (aka biphosphate)

HPO₄^2-

dihydrogen phosphate

H₂PO₄^-

sulfate

SO₄^2-

sulfite

SO₃^2-

hydrogen sulfate (aka bisulfate)

HSO₄^-

cyanide

CN^-

thiocyanate

SCN^-

What is an “oxide”?

O^2-

peroxide

O₂^2-

hydroxide

OH^-

Transition Metals

Transition Metals

silver

Ag⁺

zinc

Zn²⁺

copper I

Cu⁺

copper II

Cu²⁺

iron II

Fe²⁺

iron III

Fe³⁺

lead II

Pb²⁺

lead IV

Pb⁴⁺

mercury I

Hg₂²⁺

mercury II

Hg²⁺

tin II

Sn²⁺

tin IV

Sn⁴⁺