Chemistry Flashcards Template Page 6
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27Rules
Old School Lewis Dots
1. Sum all valence electrons, including
charges
You Try:
2. Single Bonds
HCN
3. Outer atoms get an octet except H
N
4. Center gets rest even if it violates the octet
2
5. Double/triple bonds if center atom still
AlN
does not have an octet
O
2
You try:
Lewis Dots
SF
4
KrF
4
NH
3
Cl
O
2
NCl
3
ClF
3
SF
6
H
SO
2
4
Br
O
2
ClF
5
Warm-Up:
Lewis Dots
CH
CH
NH
3
2
2
SeF
CO
4
2
KrCl
HCN
4
H
O
-
CN
2
2
BaCl
(this is an ionic cmpd)
2
-
ICl
4
+
NO
6
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