90308Lecture_4

90308Lecture_4 - Announcements Graduate Reviews start...

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Unformatted text preview: Announcements Graduate Reviews start Today! Sign up immediately and attend this week Workshops are still being scheduled Quizzes What do these all have in common? Lead! Element # 82 Symbol: Pb Plumbum - Latin for metal Soft, weak, ductile, dull silver-grey metal Lead! Alchemists Romans - sapa - lead acetate Crystal Gasoline Water/Soil/Fish Paint Home Remedies - azarcon, greta, pay-loo-ah Cosmetics - Kohl X-ray protection Paint Why Pb? Color and Durability PbO - White PbCO 3- White PbCrO 4- Chrome Yellow Litharge - Red Todays Paint Binder, pigment, volatile drying agent VOCs - 50 g/L 1978 - Lead < 0.06 % Acrylic - polymer! Elements, Compounds, Mixtures Element Compound/Molecule Mixture Homogeneous/Heterogeneous Atomic Theory Atom - smallest part of an element Neutral Spherical Positively charged center Negatively charged electrons Subatomic particles Protons, neutrons and electrons Atomic #, Mass # and Atomic Symbol...
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This note was uploaded on 09/28/2008 for the course FCH 150 taught by Professor Donaghy during the Fall '08 term at Syracuse.

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90308Lecture_4 - Announcements Graduate Reviews start...

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