3a.Lec03E2lec100W10 - E2 Solution Color Session 1 Two Hour...

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E2: Solution Color Session 1: Two Hour Lab Agenda* Complete Part 1 (Solution preparation) Complete Part 2 Start Part 3 or Part 4 as indicated by GSI * See the “Student Information Sheet” on Ctools under Experiment 2 within Resources. Session 2: Three Hour Lab Agenda Complete Parts 3, 4, and 5 E2 Goals (Parts 1 -3) the position of the metal ion’s element in the periodic table? the metal ion’s electron configuration? the metal ion’s ionic radius? Visible light interactions? Is salt solution color predictable from: Part 1. Preparation and Color of Solutions 1 H+ Hydrogen IIIA IVA VA 3 Li+ Lithium 4 Be Beryllium 1 1 Na+ Sodium 1 2 Mg 2 + Magnesium IIIB IVB VB VIB VIIB VIIIB ! VIIIB IB IIB 1 3 Al3+ Aluminum 1 9 K+ Potassium 2 0 Ca 2 + Calcium 2 1 Sc Scandium 2 2 Ti Titanium 2 3 V Vanadium 2 4 Cr 3+ Chromium 2 5 Mn Manganes e 2 6 Fe 3+ Iron 2 7 Co 2+ Cobalt 2 8 Ni 2 + Nickel 2 9 Cu 2+ Copper 3 0 Zn 2 + Zinc 3 1 Ga Galium 3 2 Ge Germanium 3 7 Rb Rubidium 3 8 Sr 2 + Strontium 3 9 Y Yitrium 4 0 Zr Zircon- ium 4 1 Nb Niobium 4 2 Mo Molyb- denum 4 3 Tc T echnetium 4 4 Ru Ruthenium 4 5 Rh Rhodium 4 6 Pd Palladium 4 7 Ag+ Silver 4 8 Cd 2 + Cadmium 4 9 In Iridium 5 0 Sn 2+ Tin 5 1 Sb Antimony 5 5 Cs Cesium 5 6 Ba 2 + Barium 5 7 La * Lanthanum 7 2 Hf Hafnium 7 3 Ta Tantalum 7 4 W Tungsten 7 5 Re Rhenium 7 6 Os Osmium 7 7 Ir Iridium 7 8 Pt Platinum 7 9 Au Gold 8 0 Hg 2 + Mercury 8 1 Tl Thallium 8 2 Pb 2 + Lead 8 3 Bi Bismuth Teams prepare solutions with different metal ions Record the color of solutions. Background Info: Solution Color Metal ion solutions of the same metal element with different charges may have different colors. DEMO: V 2+ vs. V 3+ etc. 1 H+ Hydrogen IIIA IVA VA 3 Li+ Lithium 4 Be Beryllium 1 1 Na+ Sodium 1 2 Mg 2 + Magnesium IIIB IVB VB VIB VIIB VIIIB ! VIIIB IB IIB 1 3 Al3+ Aluminum 1 9 K+ Potassium 2 0 Ca 2 + Calcium 2 1 Sc Scandium 2 2 Ti Titanium 2 3 V Vanadium 2 4 Cr 3 + Chromium 2 5 Mn Manganes e 2 6 Fe 3+ Iron 2 7 Co 2+ Cobalt 2 8 Ni 2 + Nickel 2 9 Cu 2+ Copper 3 0 Zn 2 + Zinc 3 1 Ga Galium 3 2 Ge Germanium 3 7 Rb Rubidium 3 8 Sr 2 + Strontium 3 9 Y Yitrium 4 0 Zr Zircon- ium
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