Why is the size of a cation less than the size of the atom it is related to? a.

Question

Why is the size of a cation less than the size of the atom it is related to? a. The cation has more protons b. The cation has more electrons c. Filled s-orbitals shield more than filled p-orbitals d. The shielding of the outermost electrons is increased e. The loss of an electron(s) leads to the remaining outer electrons experiencing a higher Give a good explanation for the fact that the ionization energy for sulfur is less than that for phosphorous. a. The size of sulfur is less than that of phosphorous b. The electron affinity for sulfur is less than that for phosphorous c. The Zefr for sulfur is grenter than it is for phosphorous d. Sulfur has two unpaired electrons, while phosphorous has three unpaired electrons Sulfur has two paired electrons in the 3p orbitals which results in electron- electron repulsion e. Why does fluorine have a lower electron affinity than chlorine? a. Fluorine has a higher ionization energy b. Fluorine is smaller than chlorine c. Fluorine has a greater Zefr than chlorine d. Fluorine is a very small atom with a high density of electrons e. Fluorine loses an electron more readily then chlorine

Explanation / Answer

Ans e. The loss of an electron lead to the remaining outer electrons experiencing a higher Zeff

Ans d. Sulfur (1s22s22p63s23p4)has two unpaired electrons while phosphorus (1s22s22p63s23p3) has three unpaired electrons

Ans d. Fluorine is a very small atom with a higher density of electrons.

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