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Question

Identify the correct lewis symbol from the following:

A
C
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B
O
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C
B
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D
N
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Solution

The correct option is C B

The total number of electrons represented in a Lewis structure is equal to the sum of the numbers of valence electrons on each individual atom. Non-valence electrons are not represented in Lewis structures.

  1. Carbon has four valence electrons which are not shown correctly in the diagram
  2. Oxygen has six valence electrons which are not shown correctly in the diagram
  3. Boron has three valence electrons which are correctly shown in the diagram
  4. Nitrogen has 5 valence electrons which are not shown correctly in the diagram


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