Naming Inorganic Compounds Chapter 2
Naming Inorganic Compounds Chapter 2
Naming Inorganic Compounds lonic compounds 离子化合物 Chemical Nomenclature Acids Molecular compounds Rules for Naming Monatomic Ions Positive ions--Cations阳离子 1.Cations formed from metal atoms name as the metal. Na*Sodium ion Mg:Magnesium ion Zn2:Zinc ion K*:Potassium ion Ca2+Calcium ion Ba2 Barium ion Li:lithium ion Al3+:Aluminum ion
Rules for Naming Monatomic Ions Positive ions---Cations 1. Cations formed from metal atoms name as the metal. Ionic compounds Chemical Nomenclature Acids Molecular compounds Naming Inorganic Compounds + + Na : : Li : lithium ion Sodium ion K Potassium ion 2 2 2 2+ : : : Ba : Mg Magnesium ion Zn Zinc ion Ca Calcium ion Barium ion 3+ Al : Aluminum ion 离子化合物 阳离子
Rules for Naming Monatomic Ions Positive ions--Cations 2.If a metal can form different cations,the positive charge is indicated by a Roman numeral in parentheses following the name of the metal Fet:iron(II)ion Cu:Copper(1)ion Fe iron(III ion Cu2+:Copper(I)ion -ous the lower An older method: charged Fe2:ferrous ion Cu'cuprous ion -ic:the higher Fe:ferric ion Cu*cupric ion charged
Positive ions--Cations 2. If a metal can form different cations, the positive charge is indicated by a Roman numeral in parentheses following the name of the metal 2 3 : ( ) : ( ) Fe iron II ion Fe iron III ion + 2 : C ( ) : ( ) Cu opper I ion Cu Copper II ion -ous : the lower charged -ic : the higher charged An older method : Rules for Naming Monatomic Ions 2 3 : Fe ferr ion : Fe fer ous r n ic io 2 : : Cu cupr ion Cu cup ous r n ic io
Fe2:iron(II)ion Fe:iron(III ion cover oil● spray microscope several thousand volts uniform electric field Simplified scheme of Millikan's oil drop experiment
Simplified scheme of Millikan’s oil drop experiment 2 3 : ( ) : ( ) Fe iron II ion Fe iron III ion
Rules for Naming Monatomie Ions Positive ions--Cations 2.If a metal can form different cations,the positive charge is indicated by a Roman numeral in parentheses following the name of the metal Common cations of the transition elements: 过渡（金属）元素 Cr3:chromium(IID)or chromic Cr2+:chromium(II)or chromous Hg2:mecury(II)or mercuric Ag":silver Hg:mecury(I)or mercurous Zn2+:zinc Co2+:cobalt(II)or cobaltous Cd2*:cadmium Mn2+:manganese(ID)or manganous
Positive ions--Cations 2. If a metal can form different cations, the positive charge is indicated by a Roman numeral in parentheses following the name of the metal Common cations of the transition elements: Rules for Naming Monatomic Ions 3+ 2+ 2+ 2+ 2 2+ 2+ Cr :chromium(III) or chrom Cr :chromium(II) or chrom Hg :mecury(II) or mercur Hg :mecury(I) or mercur Co :cobalt(II) or cobalt Mn :manganese ic ous ic ous ous (II) or manga nous + 2+ 2+ Ag :silver Zn :zinc Cd :cad mium 过渡(金属)元素