Lec 11 - Review Group VII The Halides Group VIII The Noble...

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Review Group VII The Halides Group VIII The Noble Gasses Molecular Shapes
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Preview Chapter 16: the d block Where you might find d block elements The general trends of the d block
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Chapter 16: The d block
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Industrial Uses: Steel: Iron, Chromium, Vanadium, Cobalt, Nickel, Niobium, and Molybdenum
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Stainless Steel vs. Steel The addition of at least 12% Chromium to Steel. Chromium oxide is formed at the surface of the steel. The oxide doesn’t flake like Iron oxide.
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Copper Pipes Copper Wire
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White paint is now made with Titanium On sale for only $40,000 Name: Off-White
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We already talked about the roll of silver in film
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Catalytic converters use Platinum and Rhodium as a catalyst to reduce NO x and CO pollution
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Erythrocytes (red blood cells) contain hemoglobin (an Iron complex) that transports O 2 in and CO 2 out of our bodies.
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Fe 2 O 3 (s) + 2Al(s) Al 2 O 3 (s) + 2Fe(s) ? H = -849 kJ/mole DEMO!
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Vitamin B 12 contains Cobalt and is used by our bodies to produce red blood cells and maintain our nervous system Co
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Elements of the Earth’s crust and their mass % O 49.2 Si 25.7 Al 7.50 Fe 4.71 Ca 3.39 Na 2.63 K 2.4 Mg 1.93 H 0.87 Ti 0.58 Cl 0.19 P 0.11 Mn 0.09 C 0.08 S 0.06 Ba 0.04 N 0.03 F 0.03 Everything else only 0.49 % combined Something to keep in mind as you move through this chapter…
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The main group elements tend to have similar chemical properties within a group Why is this the case? Valence e - ’s
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Lec 11 - Review Group VII The Halides Group VIII The Noble...

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