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Molecular Models Lab

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# of bonds Shape Resonance? O 2 2 (1 ,1 )linearNo H 2 O2 (2 ) bentNo NH 3 3 (3 ) trigonal pyramidNo CH 4 4 (4 ) tetrahedralNo

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N 2 3 (1 ,2 ) bentNo HCN4 (2 ,2 ) linearNo CO 2 4 (2 ,2 ) linear Yes N 2 O 4 (2 ,2 ) linear Yes # of bonds Shape Resonance?

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SO 4 -2 4 (4 ) tetrahedral No NO 2 -1 3 (2 ,1 ) bent Yes NO 3 -1 4 (3 ,1 ) trigonal planarYes H 2 CO4 (3 ,1 ) trigonal planar No # of bonds Shape Resonance?

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HCO 2 -1 4 (3 ,1 ) trigonal planarYes C 2 H 6 7 (7 ) No C 2 H 4 6 (5 ,1 ) (planar!)No C 2 H 6 O 8 (8 ) No # of bonds Shape Resonance?

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N 2 H 4 5 (5 ) No CH 4 O5 (5 ) No SO 3 4 (3 ,1 ) trigonal planar Yes SO 2 3 (2 ,1 ) bent Yes # of bonds Shape Resonance?

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SO 3 -2 3 (3 ) trigonal pyramid No SCN -1 4 (2 ,2 ) linear Yes Br 2 1 (1 ) linear No O 3 3 (2 ,1 ) bent Yes # of bonds Shape Resonance?

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N 2 O 4 7 (5 ,2 ) Yes C 2 O 4 -2 7 (5 ,2 ) Yes HF1 (1 ) linear No ICl 1 (1 ) linear No # of bonds Shape Resonance?

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NH 4 + 4 (4 ) tetrahedral No H 3 O + 3 (3 ) trigonal pyramid No BCl 3 3 (3 ) trigonal planar! No PCl 5 5 (5 ) trigonal bipyramid No # of bonds Shape Resonance?

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# of bonds Shape Lone Pairs O 2 2linear2 H 2 O2bent2 NH 3 3 trigonal pyramid1 CH 4 4 tetrahedral0 (On central atom)

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N 2 3bent1 HCN4linear0 CO 2 4linear 0 N 2 O 4linear 0 # of bonds Shape Lone Pairs (On central atom)

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SO 4 -2 4 tetrahedral 0 NO 2 -1 3bent 1 NO 3 -1 4 trigonal planar0 H 2 CO 4 trigonal planar 0 # of bonds Shape Lone Pairs (On central atom)

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HCO 2 -1 4 trigonal planar0 C 2 H 6 7 C 2 H 4 6 (planar!) C 2 H 6 O 8 # of bonds Shape Lone Pairs (On central atom)

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N 2 H 4 5 CH 4 O5 SO 3 4 trigonal planar 0 SO 2 3 bent 1 # of bonds Shape Lone Pairs (On central atom)

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SO 3 -2 3 trigonal pyramid 1 SCN -1 4 linear 0 Br 2 1 linear 3 O 3 3 bent 1 # of bonds Shape Lone Pairs (On central atom)

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N 2 O 4 7 C 2 O 4 -2 7 HF1 linear 3 ICl 1 linear 3 # of bonds Shape Lone Pairs (On central atom)

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NH 4 + 4 tetrahedral 0 H 3 O + 3 trigonal pyramid 1 BCl 3 3 trigonal planar! 0! PCl 5 5 trigonal bipyramid 0 # of bonds Shape Lone Pairs (On central atom)

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Symmetry? Polar bonds? Polar? O 2 YesNoNo H 2 ONoYesYes NH 3 NoYesYes CH 4 YesNoNo

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N 2 Yes No No HCNNoYesYes CO 2 Yes Yes No N 2 O No Yes Yes Symmetry? Polar bonds? Polar?

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SO 4 -2 Yes Yes * NO 2 -1 No Yes * NO 3 -1 Yes Yes * H 2 CONo Yes Yes Symmetry? Polar bonds? Polar?

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HCO 2 -1 No Yes * C 2 H 6 Yes No No C 2 H 4 Yes No No C 2 H 6 O No Yes Yes Symmetry? Polar bonds? Polar?

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N 2 H 4 No? Yes Yes CH 4 ONo Yes Yes SO 3 Yes Yes No SO 2 No Yes Yes Symmetry? Polar bonds? Polar?

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SO 3 -2 No Yes * SCN -1 No Yes * Br 2 Yes No No O 3 No No No Symmetry? Polar bonds? Polar?

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N 2 O 4 YesYes No C 2 O 4 -2 Yes Yes * HFNo Yes Yes ICl No Yes Yes Symmetry? Polar bonds? Polar?

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NH 4 + Yes Yes * H 3 O + No Yes * BCl 3 Yes Yes No PCl 5 Yes? Yes No Symmetry? Polar bonds? Polar?

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Hybridization Multiples? Angle O 2 sp 2 1 double H 2 Osp 3 No NH 3 sp 3 No CH 4 sp 3 No

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N 2 sp1 triple-- HCNsp1 triple180 CO 2 sp2 doubles180 N 2 O sp2 doubles180 Hybridization Multiples? Angle

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SO 4 -2 sp 3 No109.5 NO 2 -1 sp 2 1 double<120 NO 3 -1 sp 2 1 double120 H 2 COsp 2 1 double120 Hybridization Multiples? Angle

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HCO 2 -1 sp 2 1 double120 C 2 H 6 sp 3 No109.5 C 2 H 4 sp 2 1 double120 C 2 H 6 O sp 3 No109.5&<109.5 Hybridization Multiples? Angle

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N 2 H 4 sp 3 No<109.5 CH 4 Osp 3 No109.5&<109.5 SO 3 sp 2 1 double120 SO 2 sp 2 1 double<120 Hybridization Multiples? Angle

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SO 3 -2 sp 3 No<109.5 SCN -1 sp2 doubles180 Br 2 sp 3 No-- O 3 sp 2 1 double<120 Hybridization Multiples? Angle

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N 2 O 4 sp 2 2 doubles120 C 2 O 4 -2 sp 2 2 doubles120 HFsp 3 No-- ICl sp 3 No-- Hybridization Multiples? Angle

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NH 4 + sp 3 No109.5 H 3 O + sp 3 No<109.5 BCl 3 sp 2 !No!120 PCl 5 dsp 3 !No!90 & 120 Hybridization Multiples? Angle

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O 2 H 2 O NH 3 CH 4

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N 2 HCN CO 2 N 2 O (N is in the center!)

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SO 4 -2 (Notice the charge?) NO 2 -1 NO 3 -1 H 2 CO

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HCO 2 -1 C 2 H 6 C 2 H 4 C 2 H 6 O

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N 2 H 4 CH 4 O SO 3 SO 2

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SO 3 -2 SCN -1 Br 2 O 3

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N 2 O 4 C 2 O 4 -2 ( C-C in the center!) HF ICl (that’s iodine monochloride)

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NH 4 + H 3 O + BCl 3 PCl 5

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O 2 H 2 O NH 3 CH 4

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N 2 HCN CO 2 N 2 O (N is in the center!)

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SO 4 -2 (Notice the charge?) NO 2 -1 NO 3 -1 H 2 CO

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HCO 2 -1 C 2 H 6 C 2 H 4 C 2 H 6 O

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N 2 H 4 CH 4 O SO 3 SO 2

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SO 3 -2 SCN -1 Br 2 O 3

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N 2 O 4 C 2 O 4 -2 ( C-C in the center!) HF ICl (that’s iodine monochloride)

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NH 4 + H 3 O + BCl 3 PCl 5

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