Multiple Choice
Which of the following statements is true?
A) Outer electrons efficiently shield one another from nuclear charge.
B) Core electrons effectively shield outer electrons from nuclear charge.
C) Valence electrons are the most difficult of all electrons to remove.
D) Core electrons have the lowest ionization energies of all electrons.
E) Valence electrons in the outermost shell of all elements have the highest ionization energy.
Correct Answer:

Verified
Correct Answer:
Verified
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