Tue 10_19_10 Chapter 6

Tue 10_19_10 Chapter 6 - elements metal nonmetal nonmetal...

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Compound Nomenclature: Binary compounds form via the combination of two elements elements: metal + nonmetal = ionic compound nonmetal + nonmetal = covalent compound General Rule for BOTH types: Name the more metallic element first. Use the element’s name Use the element s name. Name the less metallic element second. Add the suffix “ide” to the element’s stem. 38 Naming Some Inorganic Compounds (Review) Nonmetal Stems Elemen Stem Element Boron bor Carbon carb Silicon silic ide Nitrogen nitr ide Ph h hh id Phosphorus phosph ide Arsenic arsen ide Antimony antimon ide 39
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Naming Some Inorganic Compounds (Review) Nonmetal Stems Element Stem Oxygen ox Sulfur sulf Selenium selen ide Tellurium tellu ide tellur Phosphorus phosph ide Hydrogen hydr ide 40 Naming Some Inorganic Compounds (Review) Nonmetal Stems Element Stem Fluorine fluor ide Chlorine chlor ide Bromine brom ide Iodine iod ide 41
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Ionic Nomenclature: Binary Ionic Compounds t ti + tl i metal cation + nonmetal anion. Cation named first (metal or polyatmic ion name) Anion named second ( stem + ide or polyatomic ion name) LiBr lithium bromide MgCl 2 magnesium chloride L S lithium sulfide Li 2 S Al 2 O 3 aluminum oxide Na 3 P You do it! Mg 3 N 2 You do it! 42 Ionic Nomenclature: Notice that binary ionic compounds with metals having one oxidation state (representative metals) do not use Binary ionic compounds containing metals that exhibit more than one oxidation state Metals exhibiting multiple oxidation states are: prefixes or Roman numerals. 1. most of the transition metals 2. metals in groups IIIA (except Al), IVA, & VA 43
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Ionic Nomenclature: There are two methods to name these compounds. 1 Older method 1. Older method add suffix “ic” to element’s Latin name for higher oxidation state add suffix “ous” to element’s Latin name for lower oxidation state 2. Modern method use Roman numerals in parentheses to indicate metal’s oxidation state 44 Ionic Nomenclature: Compound Old System Modern System FeBr 2 ferrous bromide iron(II) bromide FeBr 3 ferric bromide iron(III) bromide SnO stannous oxide tin(II) oxide SnO 2 stannic oxide tin(IV) oxide TiCl 2 You do it!
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Tue 10_19_10 Chapter 6 - elements metal nonmetal nonmetal...

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