7. Write the correct Lewis structures for the following compounds (relative positions of atoms are shown correctly). a.     F         F           B           F b.     F         F            N            F   c.   H             C    F     O d.  H C C H  e.  O Sn O f.  H O Fg.  H C N

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Asked Oct 10, 2019
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7. Write the correct Lewis structures for the following compounds (relative positions of atoms are shown correctly). 

a.     F         F

           B

           F

 

b.     F         F
            N
            F  

 

c.   H
             C    F
     O

 

d.  H C C H 

 

e.  O Sn O

 

f.  H O F


g.  H C N

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Since there are multiple sub parts in this question, we are authorized to answer only first three sub-parts. If you require the answers for the other parts, please post them separately again.

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A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are shown as "dots" or for bonding electrons as a line between the two atoms.

a. BF3

Boron has 3 valence electrons and fluorine has 7 valence electrons. The total number of valence electrons = 3 + (3×7) = 24 electrons.

B is the central atom and will form three bonds with 3 F

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F: B : L: h:

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Step 3

b. NF3

Nitrogen has 5 valence electrons and fluorine has 7 valence electrons. The total number of valence electrons = 5 + (3×7) = 26 ...

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F: NIE :F: :2-0 Pn

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