Lewis Structures 2 by nuhman10

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									                                 LAREDO COMMUNITY COLLEGE
                                      Science Department

CHEM 1412                       Worksheet # 6                                Lewis Structures           1

                                    Lewis Structures Exercise # 2
Name:                                                                           Score

Section:                Semester:                                       Current Average             /


Draw Lewis structures of the best resonance structure of the following molecules and ions. Use — to indicate
bonding electrons and dots to represent nonbonding electrons. Include formal charges on each atom, where
necessary.


                                 CO2                           HCN                          H2CO
  Central atom?

  Valence
  electrons
  (central atom)
  Total # Valence
  electrons of
  molecule or ion

  Lewis structure




                                  O3                           N31-                           SO2
  Central atom?

  Valence
  electrons
  (central atom)
  Total # Valence
  electrons of
  molecule or ion

  Lewis structure
 CHEM 1412        Worksheet # 6           Lewis Structures Exercise # 2    2



                  CO32-           NO31-                           NO21-
Central atom?

Valence
electrons
(central atom)
Total # Valence
electrons of
molecule or ion



Lewis structure




                  SO42-           SO32-                            PO43-
Central atom?

Valence
electrons
(central atom)
Total # Valence
electrons of
molecule or ion


Lewis structure
 CHEM 1412        Worksheet # 6           Lewis Structures Exercise # 2   3


                  HNO3            H2SO4                          HCO31-
Central atom?

Valence
electrons
(central atom)
Total # Valence
electrons of
molecule or ion



Lewis structure




                  CH3OH           CH2O                           CH2O2
Central atom?

Valence
electrons
(central atom)
Total # Valence
electrons of
molecule or ion



Lewis structure

								
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