Question: Choose the statement that is true: Select one: a. Outer electrons efficiently shield one another from nuclear charge b. Core electrons effectively shield outer

Choose the statement that is true: Select one: a. Outer electrons efficiently shield one another from nuclear charge b. Core electrons effectively shield outer electrons from nuclear charge C. Valence electrons are most difficult of all electrons to remove d. Two of the above are true. e. Core electrons have the lowest ionization energies of all electrons

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