Chemistry, 16.04.2020 22:30 genyjoannerubiera

Which of the following best helps explain why the first ionization energy of K is less than that of Ca? The electronegativity of K is greater than that of Ca. A The atomic radius of the K atom is less than that of the Ca atom. B The valence electron of K experiences a lower effective nuclear charge than the valence electrons of Ca. C The nucleus of the K atom has fewer neutrons, on average, than the nucleus of the Ca atom has.

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Which of the following best helps explain why the first ionization energy of K is less than that of...