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goldenfox [79]
3 years ago
8

Which atom has the smallest valence p atomic orbital carbon nitrogen sulfur?

Chemistry
1 answer:
creativ13 [48]3 years ago
7 0
Looking for the atom which has the smallest valence p atomic orbital among the choices (carbon, nitrogen, sulfur) requires one to look at a periodic table with electron configurations. The answer is carbon. It's p orbital only has 2 electrons. (Full configuration of carbon: 1s2 2s2 2p2) (Nitrogen has 2p3 while sulfur has 2p4.)
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1. Take a look at all the elements in period 3. What do you notice? *
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Choose the covalent compounds from the following choices Br2 MgS SO2 KF
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Types of Bonds can be predicted by calculating the difference in electronegativity.

If, Electronegativity difference is,

 

                Less than 0.4 then it is Non Polar Covalent Bond

                

                Between 0.4 and 1.7 then it is Polar Covalent Bond

            

                Greater than 1.7 then it is Ionic

 

For Br₂;

                    E.N of Bromine      =   2.96

                    E.N of Bromine      =   2.96

                                                   ________

                    E.N Difference             0.00          (Non Polar Covalent Bond)


For MgS;

                    E.N of Sulfur               =   2.58

                    E.N of Magnesium      =   1.31

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                    E.N Difference                  1.27          (Ionic Bond)


For SO₂;

                    E.N of Oxygen      =   3.44

                    E.N of Sulfur          =   2.58

                                                   ________

                    E.N Difference             0.86          (Polar Covalent Bond)


For KF;

                    E.N of Fluorine          =   3.98

                    E.N of Potassium      =   0.82

                                                   ________

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Result: The Bonds in Br₂ and SO₂ are Covalent in Nature.

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Explanation:

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