Question : Electrons in the highest energy level of an atom are called ________.
Option 1: Valence protons
Option 2: Orbital protons
Option 3: Valence electrons
Option 4: Orbital electrons
Correct Answer: Valence electrons
Solution : The correct option is valence electrons
Valence electrons are electrons in an atom's outermost energy level or shell. These electrons are involved in the formation of chemical bonds as well as the interactions of the atom with other atoms. An atom's valence electrons control its reactivity, chemical properties and capacity to form bonds with other atoms. The electrons in the outermost electron shell are known as valence electrons.
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