Select the false statement below. A. The first ionization energy of an atom is s

Question

Select the false statement below.

A. The first ionization energy of an atom is smaller than the second ionization energy of the same atom.
B. Phosphorus has a greater first ionization energy than magnesium, and the reason for this is because P has a greater effective nuclear charge (Zeff) than Mg.
C. The following process is an endothermic process and represents the first ionization energy of an atom A:A(g) ? A1+(g) + e1-
D. Fluorine has a greater first ionization energy than iodine, and the reason for this is because fluorine has a greater amount of shielding of outer electrons by inner electrons than does iodine.

Explanation / Answer

B. Phosphorus has a greater first ionization energy than magnesium, and the reason for this is because P has a greater effective nuclear charge (Zeff) than Mg.

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