Naming Compounds Chapter 6 (Chapter 9)

Rules for Naming Compounds Formula begins with a metal Formula does NOT begin with a metal (NH4+ acts like a metal) Only 2 elements More than 2 elements ‘H’ in front NO ‘H’ in front ) Metal name * ) Non metal ROOT + IDE )Metal name * 2) Polyatomic name ) Name 1st element ) 2nd element ROOT + IDE ) Prefix needed for subscripts (di, tri, tetra, penta, hexa, hepta, octa, nona, deca) *These metals use a Roman Numeral after their name to indicate it’s charge Copper (I) – Cu+1 Copper (II)- Cu+2 Mercury(I) – Hg2+2 Mercury(II) – Hg+2 Iron(II) – Fe+2 Iron (III) – Fe+3 Chromium (II) – Cr+2 Chromium(III) – Cr+3 Manganese(II) – Mn+2 Manganese(III) – Mn+3 Cobalt(II) – Co+2 Cobalt(III) – Co+3 Lead(II) – Pb+2 Lead(IV) – Pb+4 Tin(II) – Sn+2 Tin(IV) – Sn+4 Only 2 elements More than 2 elements Polyatomic ends with ATE Polyatomic ends with ITE ) Write HYDRO ) 2nd element ROOT + IC ) Write ACID Classic Names: add –OUS for lower charge/ -IC for higher charge to these roots 1) Polyatomic ROOT + IC ) Write ACID )Polyatomic ROOT + OUS )Write ACID Cupr - Mercur - Ferr - Chrom - Mangan - Cobalt - Plumb - Stann -

K2SO4 Potassium sulfate

CaC2O4 Calcium oxalate

H2SO3 Sulfurous acid

(NH4)2S Ammonium sulfide

Magnesium hydrogen carbonate Mg(HCO3)2 Magnesium hydrogen carbonate

CCl4 Carbon tetrachloride

Diphosphorous pentoxide P2O5 Diphosphorous pentoxide

NO2 Nitrogen dioxide

SF6 sulfur hexafluoride

H2C2O4 Oxalic acid

Al(C2H3O2) 3 Aluminum acetate

H3PO4 Phosphoric Acid

HF Hydrofluoric Acid

Ba(ClO)2 Barium hypochlorite

LiBr Lithium bromide

HClO4 Perchloric acid

Rb2O Rubidium oxide

Sr(OH)2 Strontium hydroxide

Potassium permanganate KMnO4 Potassium permanganate

NaCN Sodium cyanide

Calcium hydrogen sulfite Ca(HSO3)2 Calcium hydrogen sulfite

Ba(NO3)2 Barium nitrate

H3PO3 Phosphorous acid

Ag2CrO4 Silver chromate

ZnCO3 Zinc carbonate

SO3 Sulfur trioxide

BeSe Beryllium selenide

AlN Aluminum nitride

NH4C2H3O2 Ammonium acetate

Phosphorous trichloride PCl3 Phosphorous trichloride

Potassium hydrogen phosphite K2HPO3 Potassium hydrogen phosphite

H2SO4 Sulfuric acid

H2S Hydrosulfuric acid

(NH4)2C2O4 Ammonium oxalate

HNO2 Nitrous acid

Al2(SO4)3 Aluminum sulfate

LiClO2 Lithium chlorite

Ag2Cr2O7 Silver dichromate

Hl Hydroiodic acid

NaClO Sodium hypochlorite

NI3 Nitrogen triodide

H2CrO4 Chromic acid

Rules for Naming Compounds Formula begins with a metal Formula does NOT begin with a metal (NH4+ acts like a metal) Only 2 elements More than 2 elements ‘H’ in front NO ‘H’ in front ) Metal name * ) Non metal ROOT + IDE )Metal name * 2) Polyatomic name ) Name 1st element ) 2nd element ROOT + IDE ) Prefix needed for subscripts (di, tri, tetra, penta, hexa, hepta, octa, nona, deca) *These metals use a Roman Numeral after their name to indicate it’s charge Copper (I) – Cu+1 Copper (II)- Cu+2 Mercury(I) – Hg2+2 Mercury(II) – Hg+2 Iron(II) – Fe+2 Iron (III) – Fe+3 Chromium (II) – Cr+2 Chromium(III) – Cr+3 Manganese(II) – Mn+2 Manganese(III) – Mn+3 Cobalt(II) – Co+2 Cobalt(III) – Co+3 Lead(II) – Pb+2 Lead(IV) – Pb+4 Tin(II) – Sn+2 Tin(IV) – Sn+4 Only 2 elements More than 2 elements Polyatomic ends with ATE Polyatomic ends with ITE ) Write HYDRO ) 2nd element ROOT + IC ) Write ACID Classic Names: add –OUS for lower charge/ -IC for higher charge to these roots 1) Polyatomic ROOT + IC ) Write ACID )Polyatomic ROOT + OUS )Write ACID Cupr - Mercur - Ferr - Chrom - Mangan - Cobalt - Plumb - Stann -

CuBr2 Copper(II) bromide Cupric bromide

Fe(NO3)3 Iron (III) nitrate Ferric nitrate

SnF2 Tin(II) fluoride Stannous fluoride

PbI2 Lead(II) Iodide Plumbous Iodide

Co(NO2)2 Cobalt(II) nitrite Cobaltous nitrite

FeO Iron(II) oxide Ferrous oxide

Iron(III) sulfate Fe2(SO4)3

Cupric oxalate CuC2O4

Lead(IV) oxide PbO2 When +4 and -2 charges are paired up, REDUCE the subscripts to ‘1’ and ‘2’