$$
H,Cl,F .... terminal atoms 100%,99%,? respectively. CH3
rule element with lowest ionizatioon energy in the middle.
HCN Cl2SO
Formal charge = Valence - Lone - 1/2 Shared. is not 'oxidation number'
C in CN^- ... 4 - 2 - 1/2*6 = -1 N in CN- ... 5 - 2 - 1/2*6 = 0
NCS^- -1N 0C 0S -2C 2S -1N 0S 1N -2C configurations with lowest sets of formal charges.
formal charge number of extra electrons (minus) CH3NHO- two possible configuration, electron(formal chage) goes to most electronegative elements, O in this case.
NO3^- "resonance structure" "resonant hybrid" denoted with double headed arrow.
Lec 12 | MIT 5.111 Principles of Chemical Science, Fall 2005
H,Cl,F .... terminal atoms 100%,99%,? respectively. CH3
rule element with lowest ionizatioon energy in the middle.
HCN Cl2SO
Formal charge = Valence - Lone - 1/2 Shared. is not 'oxidation number'
C in CN^- ... 4 - 2 - 1/2*6 = -1 N in CN- ... 5 - 2 - 1/2*6 = 0
NCS^- -1N 0C 0S -2C 2S -1N 0S 1N -2C configurations with lowest sets of formal charges.
formal charge number of extra electrons (minus) CH3NHO- two possible configuration, electron(formal chage) goes to most electronegative elements, O in this case.
NO3^- "resonance structure" "resonant hybrid" denoted with double headed arrow.
Lec 12 | MIT 5.111 Principles of Chemical Science, Fall 2005
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