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Published byMaurice Stewart Modified over 9 years ago
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Drill: Find the age of a tooth that contains 1.8 % of its original C-14 t 1/2 C-14 = 5730 yrs
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Distribute Tests
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Review Test & Drill
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Organic Chemistry
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Organic HW Review PP-30 & PP-31 Complete the attached assignment & turn it in tomorrow
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Organic HW Draw the Lewis Dot Diagrams For: C 4 H 10 C 4 H 8 C 4 H 6 C 4 H 4
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Begin Instruction
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Organic Chemistry The chemistry of carbon compounds Sometimes called carbon chemistry
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Organic Chemistry The backbone element in the molecules of all living things is carbon
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Carbon Chemistry Carbon is one of the only elements that can form long chains Carbon can form 4 covalent bonds
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Organic Chemistry Carbon forms covalent bonds with hydrogen, oxygen, nitrogen, phosphorus, sulfur, and the halogens
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Carbon Bonding Carbon has 4 valence electrons which can hybridize in many ways
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Carbon Bonding To determine the hybridization, draw the Lewis Dot Diagram of the carbon compound
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Hybridization sp 3 4-single bonds sp 2 2-single bonds & 1-double bond sp2 doubles or T + S
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Multiple Bonds To make multiple bonds, p-orbitals are required
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Hybridization sp 3 no p-orbitals sp 2 1 p-orbital sp2 p-orbitals
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Single bonds & the first bond in multiple bonds involve end-to-end overlap:
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Multiple Bonds After the 1 st bond, any others are bonds: side-to-side p-overlap
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AX 4 or sp 3 H H-C-H H
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AX 3 or sp 2 H C=O H
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AX 2 or sp O=C=O H-C N
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Carbon Bonds sp 3 4 bonds sp 2 3 & 1 bonds sp2 & 2 bonds
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Carbon sp 3 Shapes AX 4 tetrahedral AX 3 Etrigonal pyramidal AX 2 E 2 v-shaped
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AX 4 or sp 3 H H-C-H H
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AX 3 E or sp 3.. R-N-H H
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AX 2 E 2 or sp 3.. R-O: H
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Carbon sp 2 Shapes AX 3 trigonal planar AX 2 Ev-shaped
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AX 3 or sp 2 H C=O H
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AX 2 E or sp 2 O S: R
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Carbon sp Shape AX 2 linear
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AX 2 or sp O=C=O H-C N
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Draw Lewis Dot Diagrams for each of the following with proper angles: C 3 H 8 C 3 H 6 C 3 H 4
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