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Formal Charges Total FC = 0 Assign 7 electrons N atom has 5 in outer shell Formal charge = 2- Assign 2 electrons C atom has 4 in outer shell Formal charge.

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Presentation on theme: "Formal Charges Total FC = 0 Assign 7 electrons N atom has 5 in outer shell Formal charge = 2- Assign 2 electrons C atom has 4 in outer shell Formal charge."— Presentation transcript:

1 Formal Charges Total FC = 0 Assign 7 electrons N atom has 5 in outer shell Formal charge = 2- Assign 2 electrons C atom has 4 in outer shell Formal charge = 2+ Assign 1 electrons H atom has 1 in outer shell Formal charge = 0 0 2+ 2- Do atoms have octet (or H a duet)? Yes (octet)Yes (duet) No (just 4)

2 Formal Charges Total FC = 0 Assign 6 electrons N atom has 5 in outer shell Formal charge = 1- Assign 3 electrons C atom has 4 in outer shell Formal charge = 1+ Assign 1 electrons H atom has 1 in outer shell Formal charge = 0 0 1+ 1- Do atoms have octet (or H a duet)? Yes (octet)Yes (duet) No (just 6)

3 Formal Charges Total FC = 0 Assign 5 electrons N atom has 5 in outer shell Formal charge = 0 Assign 4 electrons C atom has 4 in outer shell Formal charge = 0 Assign 1 electrons H atom has 1 in outer shell Formal charge = 0 0 0 0 Do atoms have octet (or H a duet)? Yes (octet)Yes (duet) Yes

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