QuestionAugust 25, 2025

The reactivity of an atom arises from __ the potential energy of the valence shell the average distance of the outermost electron shell from the nucleus the sum of the potential energies of all the electron shells the existence of unpaired electrons in the valence shell

The reactivity of an atom arises from __ the potential energy of the valence shell the average distance of the outermost electron shell from the nucleus the sum of the potential energies of all the electron shells the existence of unpaired electrons in the valence shell
The reactivity of an atom arises from __ the potential energy of the valence shell the average distance of the outermost electron shell from the nucleus the sum of the potential energies of all the electron shells the existence of unpaired electrons in the valence shell

Solution
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Answer

the existence of unpaired electrons in the valence shell Explanation 1. Identify the Key Factor for Reactivity The reactivity of an atom is primarily determined by the presence of unpaired electrons in its valence shell, as these electrons are available to form chemical bonds.

Explanation

1. Identify the Key Factor for Reactivity<br /> The reactivity of an atom is primarily determined by the presence of unpaired electrons in its valence shell, as these electrons are available to form chemical bonds.
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