There are5unshared(withoneextrasingleunsharedelectron)electronpairspresentinNO2.
We can denote the chemical formula of the NO2 as O-N=O.
From the above mentioned elaboration, we came to know that in NO2,the central atom is nitrogen and there are two oxygen atoms in either side of the nitrogen atom.
The right oxygen is bonded with the nitrogen by a double bond and the left oxygen is bonded with the nitrogen by a single bond.
Now, there are a total of 17 valence electrons in the whole chemical structure of the NO2.
Consumed electrons = ( 2 electrons × 1 single bond + 4 electrons × 1 double bond) = 6 electrons
Answers & Comments
Here's your answer mate
NO2 has 2 unshared electrons .
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I'm sorry , if it's incorrect.
There are 5 unshared (with one extra single unshared electron) electron pairs present in NO2.