Ch 2_slides with answers_011312

Ch 2_slides with answers_011312 - single group (unit) when...

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Let’s count some particles Co 60 Cl 37 U 238 Cobalt-60 Chlorine-37 anion Uranium-238 # protons # electrons # neutrons 27 27 60 – 27 = 33 17 18 37 – 17 = 20 92 92 238 – 92 = 146 Cu 2+ 63 Copper-63 cation 29 27 63 – 29 = 34 Cu 2+ 65 Copper-65 cation 29 27 65 – 29 = 36
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2 Naming Examples Name the following compounds: KCl CaBr 2 Write formulas for the following : barium hydride aluminum sulfide
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3 Naming Examples Name the following compounds: CuCl MnO 2 Write formulas for the following : vanadium(V) fluoride tin(IV) bromide
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4 Examples • Name the following compound: BF 3 • Name the following compound: I 2 O 7 • Write the formula for: phosphorus trichloride • Write the formula for: dinitrogen trioxide
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5 There are many polyatomic ions that are referred to as a
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Unformatted text preview: single group (unit) when naming a compound. Polyatomic Ions 6 Ionic Compounds with Polyatomic Ions Writing names and formulas is exactly the same as for binary ionic compounds cation is named first, anion is named second multiples of the ions are used to ensure charge neutrality Example: Na 2 SO 4 2Na + + SO 4 2- sodium sulfate manganese(II) hydroxide Mn 2+ + 2OH- Mn(OH) 2 KHSO 4 K + + HSO 4- potassium hydrogen sulfate ammonium sulfide 2 NH 4 + + S 2 (NH 4 ) 2 S FePO 4 ... Fe 3+ + PO 4 3- iron(III) phosphate aluminum acetate Al 3+ + 3 CH 3 COO Al(CH 3 COO) 3...
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Ch 2_slides with answers_011312 - single group (unit) when...

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