CHEM151Chapter 2-Nomenclature

Chemistry (MasteringChemistry Series)

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10/2/2008 1 CHAPTER 2 Nomenclature RECOGNIZING BONDING PATTERNS ´ Place the following formulas into groups: z SO 2 z NaBr z HCl (aq) z CO 2 z H 3 PO 4 (aq) z P 2 O 5 z BaSO 4 z CoF 3 z HI (aq) z H 2 SO 4 (aq) z NiCl 2 z H 2 O z KNO 3 z CH 3 CH 2 CH 3 BINARY COVALENT COMPOUNDS: 2 NONMETALS ´ Write the most metallic element first ´ Use prefixes to indicate number of atoms ´ Prefix ‘Name of first ´ Mono: 1 ´ Di: 2 ´ Tri: 3 (triathlon) ´ Tetra: 4 (tetris) Prefix Name of first nonmetal’ prefix ‘root of 2 nd nonmetal’ end in “ide” ´ No Longer use “mono” except in carbon monoxide ´ Penta: 5 (pentagon) ´ Hexa: 6 (hexagon) ´ Hepta: 7 ´ Octa: 8 (octagon) ´ Nona: 9 (nano) ´ Deca: 10 (decathlon) 3
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10/2/2008 2 BINARY COVALENT COMPOUNDS: EXAMPLES ´ Write formulas for the following names: « silicon tetrachloride « carbon monoxide « tetraphosphorus hexaoxide ´ Write names for the following formulas: « N 2 O 4 « Cl 2 O 7 « SF 6 PRACTICE ON IONIC CHARGES ´ What are the common charges when atoms of the following elements become ions: « potassium « sulfur « chlorine « magnesium « nitrogen « cobalt « silver « zinc « cadmium 5 WRITING FORMULAS – IONIC COMPOUNDS ´
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CHEM151Chapter 2-Nomenclature - 10/2/2008 CHAPTER 2...

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