2.Lec02E1W10-1 - E1 Precipitation and Water Purity Will we...

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1 E1 Precipitation and Water Purity “E1 is a one session lab!” “Will we do the entire experiment?” Experiment 1 Information E1 lab will be conducted Thursday, Jan. 21 - Tuesday, Jan.26 Team assignments (reagents and discussion question) are on p. 232 Deadlines and point penalties are on pages 237-238 and 235. Pre-lab Report, p.38 is due at the start of Lab (8am or 11am or 2pm) - for pre-lab assistance using the CRC Handbook go to Pre-lab folder under Ctool Resources CRC Video.mp4 Experiment 1 Information One session three hour lab Parts 1 and 2A and 2B (all). Part 3 OR 4 as assigned (page 232) Prepare and turn in team report before or by your next lab session Discussion: first hour of next session Turn in discussion abstract (see p.238) during lab or as indicated by your GSI Prepare ~ 5 minutes Ppt. presentation Ionic compounds with cations (+ ions) and anions (- ions). “I’m a cation. Note my eyes!” E1 Background: Salts 1A VIIIA 1 H 1s 1 IIA IIIA IVA VA VIA VIIA 2 He 2 3 Li 2s 1 4 Be 2s 2 5 B 2s 2 2p 1 6 C 2 2 7 N 2 3 8 O 2 4 9 F 2 5 10 Ne 2 6 11 Na 3s 1 12 Mg 3s 2 IIIB IVB VB VIB VIIBVIIIB ! VIIIB IB IIB 13 Al 3s 2 3p 1 14 Si 2 2 15 P 2 3 16 S 2 4 17 Cl 2 5 18 Ar 2 6 19 K 4s 1 20 Ca 4s 2 21 Sc 3d 1 4s 2 22 Ti 3d 2 2 23 V 3d 3 2 24 Cr 3d 5 1 25 Mn 3d 5 2 26 Fe 3d 6 2 Co 3d 7 2 28 Ni 3d 8 2 29 Cu 3d 4s 1 30 Zn 3d 4s 2 31 Ga 2 4p 1 Ge 2 2 33 As 2 3 34 Se 2 4 35 Br 2 5 36 Kr 2 6 37 Rb 5s 1 38 Sr 5s 2 39 Y 4d 1 5s 2 40 Zr 4d 2 2 41 Nb 4d 3 2 42 Mo 4d 5 1 43 Tc 4d 5 2 44 Ru 4d 7 1 45 Rh 4d 8 1 46 Pd 4d 47 Ag 4d 5s 1 48 Cd 4d 5s 2 49 In 2 5p 1 50 Sn 2 2 51 Sb 2 3 52 Te 2 4 53 I 2 5 54 Xe 2 6 55 Cs 6s 1 56 Ba 6s 2 57 La* 5d 1 6s 2 72 Hf 5d 2 2 73 Ta 5d 3 2 74 W 5d 4 2 75 Re 5d 5 2 76 Os 5d 6 2 Ir 5d 7 2 78 Pt 5d 9 1 79 Au 5d 6s 1 80 Hg 5d 6s 2 81 Tl 2 6p 1 Pb 2 2 83 Bi 2 3 Po 2 4 85 At 2 5 86 Rn 2 6 87 Fr 7s 1 88 Ra 7s 2 89 Ac # 6d 1 7s 2 104 + 6d 2 2 105 + 6d 3 2 106 + 6d 4 2 107 + 6d 5 2 108 + 6d 6 2 + 6d 7 2 + Element synthesized, but no official name assigned Salt Metals lose electrons Non-metals gain electrons (= cations ) ( = anions)
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2 Salt Formation 2 Na + Cl 2 2 NaCl + energy Background: Salts Salts are solids at room temperature.
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This note was uploaded on 04/07/2010 for the course PSYCH 123 taught by Professor 123 during the Spring '10 term at University of Michigan.

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2.Lec02E1W10-1 - E1 Precipitation and Water Purity Will we...

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