Colorful notes taken for lecture 3 of Orgo 1 (Chem 210) at the University of Michigan!
Outlines introductory concepts from the class: relationships of electronegativity atomic size with the periodic table, open and closed shell atoms/ bonds, ionic bonds, covalent bonds, positive and negative dipo...
Expectations from chem
Lecture 3 Week 1 9/I gen
① electronegativity
Beginning of Class Example ~
Or ② atomic size
-j._IE.
Expanse
-
"
a) how many abe pairs? 4
b)where? On 0's
-
-
size
d I
1
2) Mol-formula? -
CigHzuOz greatest
↑
③ closed stell-bands
more an
Electronegativity -
otter atems wort noble
gas
non-polar
onfiguration for
stability
I K↓ ⑧
↳ does so
by farming bar
ds
polar
E loss
gain 7 ranit
=polar covalent
octet
rule
-
We (152s2p) 7 B, C, N, 0, f, Na, ng
covalent:unequal ofer
polar sharing
-
8t 00 8 -
H - H H F: 8
-
-
8t 8t 3.4
covalent
00 ·0
0: en
up polar covalent
H- H
band 8
-
band H: en 2.3
-
St:positive dipole -
-
8--
negative dipole 2 =Polar
70.5
-
Dipole moment: characteristic ↓
of a molecule
ot-dipole
moments
Sr
crepresentedbyarrow
-
dait
H - E. cancel out,
10
"not hear
Ane
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