Nomenclature

1
Nomenclature And Classifying Compounds Lesson 9
2
Classifying and Naming Matter The way you name a
chemical formula depends on its classification.
Ionic
Salt
Base
MgS
Ca(OH)2
magnesium sulphide
Calcium hydroxide
3
Salt
Base
Co2(SO4)3
Pb(OH)4
SO42- SO42- SO42-
lead IV hydroxide
Co3 Co3
cobalt III sulphate
4
Salt
Base
Zn(OH)2
BiCl5.4H2O
zinc hydroxide
bismuth V chloride tetrahydrate
5
ate ide to ic ite to ous
Acids
Binary Oxy
Pure Aqueous Pure Aqueous
HCl(g) HCl(aq) H2SO4(l) H2SO4(aq)
hydrochloric acid
hydrogen chloride
hydrogen sulphate
sulphuric acid
HF(g) HF(aq) H2CO3(l) H2CO3(aq)
hydrogen carbonate
hydrofluoric acid
hydrogen fluoride
carbonic acid
H2S (g) H2S(aq) H2SO3(l) H2SO3(aq)
Hydrogen sulphide
hydrosulphuric acid
hydrogen sulphite
sulphurous acid
6
Acids
ate ide to ic ite to ous
Binary Oxy
Pure Aqueous Pure Aqueous
HI(g) HI(aq) H2CrO4(l) H2Cr2O7(aq)
hydrogen iodide
hydroiodic acid
hydrogen chromate
dichromic acid
HBr(g) HBr(aq) CH3COOH(l) CH3COOH(aq)
hydrobromic acid
hydrogen bromide
hydrogen acetate
acetic acid
7
Molecular Compounds Use Greek prefixes mono
di tri tetra penta hexa hepta octa nona
deca CO2 CO N2H5
dinitrogen pentahydride
carbon monoxide
carbon dioxide
P3I6 P4O9
tetraphosphorus nonoxide
triphosphorus hexaiodide
SiI4 N2O4
silicon tetraiodide
dinitrogen tetroxide
8
Common Names for some Non-Acids (molecular
compounds)
methanol
CH3OH C2H5OH C6H12O6 C12H22O11 H2O H2O2 O3
ethanol
glucose
sucrose
water
hydrogen peroxide
ozone