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CHEMICAL NOMENCLATURE
Binary Compound Nomenclature
Ionic Binary Compounds Nomenclature
Ionic Binary compounds are named by calling its metallic ion first
Then followed by its non-metallic anion. METAL NAME +
NON-METALLIC NAME + suffix -IDE
NAMA LOGAM + NAMA NON LOGAM +
akhiran - IDA
OR
Example : 1. NaCl Answer:
NaClMetal : SodiumNon-metal : ChlorideIon compound name : Sodium Chloride NaClLogam: NatriumNon-Logam : KloridaNama senyawa kimia : Natrium Klorida
METAL NAME +
NON-METALLIC ANION NAME
2. MgBr2 Answer: MgBr2
Metal : Magnesium
Non-metal : BromideIon compound name : Magnesium Bromide MgBr2
Logam: MagnesiumNon-Logam : BromidaNama senyawa kimia : Magnesium Bromida
Ionic Binary Compounds NomenclatureFor The Compound that has 2 type
cationIUPAC NAME TRIVIAL NAME
Formula : Formula :
Note : Suffix-ous : for low oxidation
number-ic : for high oxidation
number
Metal Name + (Roman number) +
Metal name + suffix - ide
Metal name (Latin name) + suffix -ous / -ic + Metal name
+ suffix - ide
Example : FeCl2 and FeCl3
IUPAC NAME TRIVIAL NAME
1. FeCl2 = Fe2+ + 2Cl-
Fe2+ = Iron (II)2Cl- = ChlorideThe compound’s has name Iron (II) Chloride Besi (II) Klorida
2. Fe Cl3 = Fe3+ + 3Cl-
Fe3+ = Iron (II)3Cl- = ChlorideThe compound’s has name Iron (III) ChlorideBesi (III) Klorida
1. FeCl2 = Fe2+ + 2Cl-
Fe2+ = Ferrous (low)2Cl- = ChlorideThe compound’s has name Ferrous Chloride Fero Klorida
2. Fe Cl3 = Fe3+ + 3Cl-
Fe3+ = Ferric3Cl- = ChlorideThe compound’s has name Ferric ChlorideFeri Klorida
TABLE OF METAL CATIONSCation English Name Indonesian Name
Group I (IA)
Li+ Lithium ion Ion litium
Na+ Sodium ion Ion natrium
K+ Potassium ion Ion kalium
Rb+ Rubidium ion Ion rubidium
Cs+ Cesium ion Ion sesium
Group II (IIA)
Be2+ Beryllium ion Ion berilium
Mg2+ Magnesium ion Ion magnesium
Ca2+ Calcium ion Ion kalsium
Sr2+ Strontium ion Ion stronsium
Ba2+ Barium ion Ion barium
Group III (IIIA)
Al3+ Aluminum ion Ion aluminium
Ga3+ Gallium ion Ion galium
In3+ Indium ion Ion indium
Cation English Name Indonesian Name
Traditional Systematic Traditional Systematic
Co2+ Cobaltous ion Cobalt (II) ion Ion kobalto Ion kobalt (II)
Co3+ Cobaltic ion Cobalt (III) ion Ion kobalti Ion kobalt (III)
Cr2+ Chromous ion Chromium (II) ion Ion kromo Ion kromium (II)
Cr3+ Chromic ion Chromium (III) ion Ion kromi Ion kromium (III)
Cu+ Cuprous ion Copper (I) ion Ion kupro Ion tembaga (I)
Cu2+ Cupric ion Copper (II) ion Ion kupri Ion tembaga (II)
Fe2+ Ferrous ion Iron (II) ion Ion fero Ion besi (II)
Fe3+ Ferric ion Iron (III) ion Ion feri Ion besi (III)
Hg22+ Mercurous ion Mercury (I) ion Ion merkuro Ion raksa (I)
Hg2+ Mercuric ion Mercury (II) ion Ion merkuri Ion raksa (II)
Mn2+ Manganous ion Manganese (II) ion Ion mangano Ion mangan (II)
Mn3+ Manganic ion Manganese (III) ion Ion mangani Ion mangan (III)
Pb2+ Plumbous ion Lead (II) ion Ion plumbo Ion timbal (II)
Pb4+ Plumbic ion Lead (IV) ion Ion plumbi Ion timbale (IV)
Sn2+ Stannous ion Tin (II) ion Ion stano Ion timah (II)
Sn4+ Stannic ion Tin (IV) ion Ion stani Ion timah (IV)
Covalent Binary Compounds Nomenclature• The naming of
covalent binary compounds are related with the forming elements and its amount of atoms.
• The quantty of atoms is written in greek.
Quantity of
Atoms
Greek Prefix
Quantity of
Atoms
Greek prefix
12345
MonoDiTri
TetraPenta
678910
HexaHeptaOctaNonaDeca
(Greek prefix of the 1st elements, except mono) (1st non metal Element) + (Greek
prefix of 2nd element) (2nd non metal element) + suffix -ide
(Greek prefix of the 1st elements, except mono) (1st non metal Element) + (Greek
prefix of 2nd element) (2nd non metal element) + suffix -ide
Example:1. Define the chemical name of N2O3
Answer:N2O3
So, N2O3 has compound’s name:
Dinitrogen trioxideDinitrogen trioksida
Element Atomic Number
N (Nitrogen)O (Oxygen)
2 (di)3 (tri)
Example: 2.Define the chemical name of CO2
and COAnswer : CO2 Answer : CO
So CO2 compound’s has name :
Carbon DioxideKarbon Dioksida
So CO compound’s has name :
Carbon Monoxide Karbon Monoksida
Element Atomic Number
C (Carbon)
O (Oxygen)
1 (but not use “Mono”)1 (mono)
Element Atomic Number
C (Carbon)
O (Oxygen)
1 (but not use “Mono”)
2 (di)
Naming for Acid Compound
In aqueous (aq) In gas (g)
Formula : • Formula :
Hydro- + non metal name (except H) + suffix –ic +
acid
Hydrogen + non metal
name (except H) + suffix –
ide
Naming for Acid Compound
In aqueous (aq) In gas (g)
1. HClH = HydroCl = Chloride + -ic = ChloricThe name of compound’s Hydrochloric AcidIndonesian : Asam Klorida
2. H2SH = HydroS = Sulfide + -ic = SulfuricThe name of compound’sHydrosulfuric AcidIndonesian : Asam Sulfida
1. HClH = HydrogenCl = ChlorideThe name of compound’s Hydrogen ChlorideIndonesian :Hidrogen
Klorida
2. H2SH = Hydrogen S = Sulphide The name of compound’sHydrogen Sulphide Indonesian :Hidrogen
Sulfida
Polyatomic Compound Nomenclature
Nomenclature of Polyatomic Salt and Base Compounds
•Polyatomic salt compounds
•Polyatomic base compounds
Cation + Anion
Metallic name + Hydroxide
Example: Na2CO3
Cation(metallic element) : Na+ (sodium)Anion (polyatomic ion) : CO3
2- (Carbonate)Compound name :Sodium Carbonate (not disodium carbonate)Indonesian : Natrium Karbonat
Ca(OH)2
Metal name : Ca (calcium)Compound name :Calcium Hydroxide (not calcium dihydroxide)Indonesian : Kalsium hidroksida
The element has 4 anionDefine the chemical name of NaClO,
NaClO2, NaClO3 and NaClO4
Answer: NaClO = Sodium HypochloriteIndonesian = Natrium hipoklorit NaClO2= Sodium Chlorite Indonesian = Natrium Klorit NaClO3 = Sodium ChlorateIndonesian = Natrium Klorat NaClO4 = Sodium Perchlorate
Indonesian = Natrium Perklorat
Nomenclature of Polyatomic Acid Compounds
•The nomenclature of polyatomic acid comounds (oxy acid compound) is similar with binary acid
•that is by defining the polyatomic anion then the H elements (acid).
1. For the element has 1 anion :
2. For the element has 2 anion :Polyatomic anion name + suffix -
ous / -ic + acid
Polyatomic anion name + suffix –ic + acid
Nomenclature of Polyatomic Acid Compounds3. For the element has 4 anion :a. First (Lowest) cation
b. Second cation
c. Third cation
d. Fourth (Highest) cation
Prefix Hypo- + Polyatomic anion name + suffix –ous + acid
Polyatomic anion name + suffix –ous + acid
Polyatomic anion name + suffix -ic + acid
Prefix Per- + Polyatomic anion name + suffix -ic + acid
Example:
1. Define the chemical name of H2CO3
Answer:H2CO3
Polyatomic Anion : CO32- (carbonate)
Compound name : Carbonic acidIndonesian : Asam karbonat
Example:
2. Define the chemical name of H2SO3 and H2SO4
Answer:H2SO3
Polyatomic Anion : SO32- (sulfite)
Compound name : Sulfurous acidIndonesian : Asam Sulfit H2SO4
Polyatomic anion : H2SO42- (sulfate)
Compound name : Sulfuric acidIndonesian : Asam Sulfat
Example:3. Define the chemical name of HClO,
HClO2, HClO3 and HClO4
Answer: HClO = Hypochlorous acidIndonesian = Asam hipoklorit HClO2= Chlorous acidIndonesian = Asam Klorit HClO3 = Chloric acidIndonesian = Asam Klorat HClO4 = Perchloric acid
Indonesian = Asam Perklorat
NOW, THE TIME TO
DOING THE EXERCISE
Write down the formula of the compound bellow and name of the compound with each formula below
Name Formula Name Formula
NaCl Hydrobromic Acid
Magnesium Bromide HF (g)
Al2S3 Magnesium Carbonate
Iron (II) Oxide Na2SO3
PbI2 Nitrous Acid
Tetraphosporus Decasulphide HNO3
NO2 Perchloric Acid
Calsium Chloride HBrO3
CuO Sodium Iodate
Sodium Hydroxide NaIO
Write down the formula of the compound bellow and name of the compound with each formula below
Name Formula Name Formula
Sodium Chloride NaCl Hydrobromic Acid HBr (ag)
Magnesium Bromide MgBr2 Hydrogen Floride HF (g)
Aluminum Sulphide Al2S3 Magnesium Carbonate MgCO3
Iron (II) Oxide FeO Sodium Sulfite Na2SO3
Lead (II) Iodide / Plumbous Iodide
PbI2 Nitrous Acid HNO2
Tetraphosporus Decasulphide P4S10 Nitric Acid HNO3
Nitrogen Dioxide NO2 Perchloric Acid HClO4
Calsium Chloride CaCl2 Bromic Acid HBrO3
Cupper (II) Oxide / Cuppric Oxide
CuO Sodium Iodate NaIO3
Sodium Hydroxide NaOH Sodium Hypoiodite NaIO
