Problem: The reactivity of an atom arises froma. the average distance of the outermost electron shell from the nucleus.b. the existence of unpaired electrons in the valence shell. c. the sum of the potential energies of all the electron shells. d. the potential energy of the valence shell. 

FREE Expert Solution

Chemical Properties: depend on the number of electrons in the outermost shell

Valence Shell: outermost shell of electrons

• Atoms with the same number of electrons in their valence shell will have the same properties.

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Problem Details

The reactivity of an atom arises from

a. the average distance of the outermost electron shell from the nucleus.

b. the existence of unpaired electrons in the valence shell. 

c. the sum of the potential energies of all the electron shells. 

d. the potential energy of the valence shell. 

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