Select the false statement below. A(g) ? A 1+ (g) + e 1- A. Oxygen has a greater

Question

Select the false statement below.

A(g) ? A1+(g) + e1-

A. Oxygen has a greater first ionization energy than boron, and the reason for this is because O has a greater effective nuclear charge (Zeff) than B. B. Oxygen has a greater first ionization energy than selenium, and the reason for this is because oxygen has a lesser amount of shielding of outer electrons by inner electrons than does selenium. C. The following process is an exothermic process and represents the first ionization energy of an atom A:

A(g) ? A1+(g) + e1-

D. The first ionization energy of an atom is smaller than the second ionization energy of the same atom.

Explanation / Answer

The false statement is (B). All ionization energies are positive and hence endothermic

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