Binary Ionic Compounds

a) Writing Names

MgF2

K3P

AlBr3

b) Writing Formulas

sodium oxide

strontium nitride

calcium sulfide

Multivalent Metals

Symbol Abbreviation of Latin Name

Pb plumb

Fe ferr

Cu cupr

Sn stann

Au aur

Hg mercur

Ni nickel

Co cobalt

Binary Ionic Compounds with Multivalent Metals

a) Writing Formulas

iron (III) chloride

gold (I) sulfide

plumbic oxide

cuprous nitride

b) Writing Names

SnO

NiBr2

AuP

Polyatomic Ions

Ion Name

NO3 -

CO3 2-

ClO3 -

SO4 2-

HCO3 -

OH -

PO4 3-

NH4 +

nitrate

bicarbonate

chlorate

hydroxide

sulfate

carbonate

phosphate

ammonium

Prefix and/or Suffix # of O’s Added or Subtracted

Example

Polyatomic Ionic Compounds

- ATE 0 NO3 –

PER - ATE + 1 NO4 -

- ITE

(nitrate)

(pernitrate)

- 1 NO2 -

(nitrite)

HYPO - ITE - 2 NO -

(hyponitrite)

a) Writing Names

Na2SO4

Ca3(PO4)2

Ba(ClO4)2

Fe(NO)2

CuCO3

b) Writing Formulas

potassium phosphate

mercuric chlorite

lead (II) persulfate

aluminum hypocarbonite

Binary Covalent Compounds

a) Writing Names

Formula Prefix Method Stock System

As2S5

SO3

CS2

b) Writing Formulas

carbon monoxide

antimony trichloride

diphosphorus pentoxide

nitrogen (III) oxide

Binary Acids

a) Writing Names

HCl (aq)

HBr (aq)

H2S (aq)

b) Writing Formulas

hydrofluoric acid

hydroiodic acid

Oxyacids

Prefix and/or Suffix # of O’s Addedor Subtracted

Example

- IC 0 CO3 2-

PER - IC + 1 CO4 2-

- OUS- 1 CO2 2-

HYPO - OUS - 2 CO 2-

(carbonic)

(percarbonic)

(carbonous)

(hypocarbonous)

a) Writing Names

H2SO4 (aq)

HNO2 (aq)

HClO4 (aq)

H3PO2 (aq)

b) Writing Formulas

sulfurous acid

carbonic acid

phosphorous acid

perchloric acid