CHEMICAL NOMENCLATURE

CHEMICAL NOMENCLATURE - CHEMICAL NOMENCLATURE 1. Rules for...

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CHEMICAL NOMENCLATURE 1. Rules for Assigning Charges to Ions (Oxidation Numbers) General Rules: 1. The charge on a free element is zero. 2. Ions from elements in Column 1 (Group IA) have a +1 charge. 3. Ions from elements in Column 2 (Group IIA) have a +2 charge. 4. Ions from elements in Column 16 (Group VIA) have a -2 charge. 5. Ions from elements in Column 17 (Group VIIA) have a -1 charge. Names and Charges of Common Ions Positive Ions (CATIONS) hydrogen H + lithium Li + sodium Na + potassium K + silver Ag + copper(I) Cu + calcium Ca +2 barium Ba +2 magnesium Mg +2 manganese Mn +2 cobalt Co +2 copper(II) Cu +2 iron(II) Fe +2 nickel Ni +2 zinc Zn +2 aluminum Al +3 chromium Cr +3 iron(III) Fe +3 ammonium NH 4 + Negative Ions (ANIONS) fluoride F - chloride Cl - bromide Br - iodide I - oxide O -2 sulfide S -2 nitride N -3 nitrate NO 3 - acetate CH 3 CO 2 - hydroxide OH - cyanide CN - permanganate MnO 4 - sulfate SO 4 -2 carbonate CO 3 -2 chromate CrO 4 -2 dichromate Cr 2 O 7 -2 phosphate PO 4 -3
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II. Rules for Writing Binary Chemical Formulae
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This note was uploaded on 10/28/2010 for the course CHEM 1211 taught by Professor Bro during the Spring '10 term at Université de Genève.

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CHEMICAL NOMENCLATURE - CHEMICAL NOMENCLATURE 1. Rules for...

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