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Select the statement(s) that explain(s) the relationship between the arrangement of elements by size and first ionization energy.a. The two arrangements are the same because IE of elements increases from left to right and the radii of elements decreases from left to right.b. The first set of paired electrons in a p subshell experience a large amount of electron-electron repulsion, making the fourth electron in a p subshell easy to remove.c. A full s subshell is able to shield a newly filled p subshell from the nucleus, making the first electron in a p subshell easy to remove.d. The third unpaired electron in a p subshell causes a lot of electron-electron repulsion among the orbitals, making the third electron in a p subshell easy to remove.e. A p subshell with only one unpaired electron is extremely stable, making the fifth electron in a p subshell easy to remove.

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c. A full s subshell is ready to shield a newly filled p subshell from the nucleus, making the primary electron in an exceedingly p subshell easy to get rid of.

Further explanation

From the given options, a full s-sublevel {is able|is in an exceedingly position|is ready} to shield a newly filled p-subshell from the nucleus thereby making the primary electron in a p-subshell easy to get rid of is correct.

What is ionization energy?

Ionization energy may be a measure of the readiness of an atom to lose an electron.  First ionization energy is that the energy required to get rid of the foremost loosely held electron within the gas phase.  The size of an atom/element depends on the number of electrons it contains. The more the electrons, the larger its size.  The larger an atom becomes the lesser the ionization energy needed to get rid of the primary electron from its outermost shell.  Electron-electron repulsion occurs when two electrons within the same sub-level repel each other.  The shielding effect is the ability of the inner electrons to shield the outer electrons from the pull of the nuclear charge.

In option C, an s-subshell contains a greater shielding effect than the p,d, and f sub-shell therein order. A newly introduced electron within the p-sublevel is going to be loosely held and easier to get rid of.

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Class: College

Subject: Chemistry

Keywords: ionization, energy, electron

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Ionization energy is a periodic trend that decreases down the group and increases across the period.

Ionization energy is a periodic property of elements that increases from left to right in the periodic table as atomic size decreases. Recall that the atomic size of elements decreases from left to right in the periodic table as the size of the nuclear charge increases.

Down the group, the ionization energy decreases as more shells are added hence the shielding of outer electrons increases therefore, they are easily removed. As more shells are added, the atomic size increases.

Therefore, the statement that explains the  relationship between the arrangement of elements by size and first ionization energy is; "the two arrangements are the same because IE of elements increases from left to right and the radii of elements decreases from left to right."

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