Nomenclature And Classifying

CompoundsLesson 9

Classifying and Naming MatterThe way you name a chemical formula depends on its classification.

Ionic

Salt Base

MgS Ca(OH)2

magnesium sulphide Calcium hydroxide

Co3+

Co3+

SO42-

SO42-

SO42-

Salt Base

Co2(SO4)3 Pb(OH)4

cobalt III sulphate

lead IV hydroxide

Salt Base

BiCl5.4H2O Zn(OH)2

bismuth V chloride tetrahydrate zinc hydroxide

Binary Oxy

Pure Aqueous Pure Aqueous

ate & ide to icite to ous

Acids

HCl(g) HCl(aq) H2SO4(l) H2SO4(aq)

HF(g) HF(aq) H2CO3(l) H2CO3(aq)

H2S (g) H2S(aq) H2SO3(l) H2SO3(aq)

Hydrogen sulphide hydrosulphuric acid hydrogen sulphite sulphurous acid

carbonic acidhydrogen carbonatehydrofluoric acidhydrogen fluoride

hydrogen chloride hydrochloric acid hydrogen sulphate sulphuric acid

Binary Oxy

Pure Aqueous Pure Aqueous

Acids

HI(g) HI(aq) H2CrO4(l) H2Cr2O7(aq)

hydrogen iodide hydroiodic acid hydrogen chromate dichromic acid

HBr(g) HBr(aq) CH3COOH(l) CH3COOH(aq)

hydrogen bromide hydrobromic acid hydrogen acetate acetic acid

ate & ide to icite to ous

Molecular CompoundsUse Greek prefixesmono di tri tetra penta hexa hepta octa nona deca

CO2 CO N2H5

dinitrogen pentahydridecarbon monoxidecarbon dioxide

tetraphosphorus nonoxidetriphosphorus hexaiodide

P3I6 P4O9

SiI4 N2O4

silicon tetraiodide dinitrogen tetroxide

Common Names for some Non-Acids (molecular compounds)

CH3OH

C2H5OH

C6H12O6

C12H22O11

H2O

H2O2

O3

methanol

ethanol

glucose

sucrose

water

hydrogen peroxide

ozone