Lewis Structures And 3-D Shapes: Question Preview (ID: 1065)


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What is the central atom in NO3
a) N b) O c) 3 d) NONE
What is the shape for H2O
a) water b) bent c) trigonal planar d) trigonal pyramidal
What is the shape for CO2
a) trigonal planar b) trigonal pyramidal c) linear d) bent
What is the shape for CH4
a) tetrahedral b) linear c) bent d) trigonal pyramidal
What are the bonds for C2H4
a) 4 C-H bonds; 1 C-C triple bond b) 4 C-H bonds; 1 C-C single bond c) 4 C-H bonds; 1 C=C double bond d) 2 H-H bonds; 2 C-H bonds; 1 C=C double bond
What is wrong with the Lewis Structure for H-O-H
a) Should be a double bond between the H and O b) Should be a dot on each hydrogen to represent the valence electron c) Should be 1 lone pair of electrons on the O d) Should be 2 lone pairs of electrons on the O
What should the Lewis Structure for N2 look like
a) 1 N-N single bond; 3 lone pairs on each Nitrogen atom b) 1 N-N double bond; 2 lone pairs on each Nitrogen atom c) 1 N-N triple bond; 1 lone pair on each Nitrogen atom d) 1 N-N quadruple bond
What is the limitation of Lewis Structures
a) Doesn't tell you the number of bonds b) Doesn't tell you the shape of the molecule c) Doesn't tell you which atom is the central atom d) Doesn't tell you which atom is bonded to which atom
Which of the following is not a shape of a molecule
a) crystal lattice b) linear c) bent d) tetrahedral
Why is C the central atom in CH4
a) It has a higher electronegativity b) There is only 1 C, while there is 4 H's c) C needs 4 electrons, whereas H only needs 1 d) C has a greater atomic mass than H
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