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skad [1K]
3 years ago
7

Which of the following elements would you expect to have the highest ionization energy value, and why?

Chemistry
2 answers:
Alik [6]3 years ago
7 0
Neon, Ne, would have the highest ionization energy because it has a high effective nuclear charge and small radius.
Whitepunk [10]3 years ago
4 0

Answer:

D. Neon (Ne), because it has a high effective nuclear charge and small radius

Explanation:

Ionization energy is the amount of energy required to remove an electron from the valence orbital.

Chlorine (Cl) and fluorine (F) are halogens which have a general valence configuration of ns²np⁵ and are highly electronegative

Lithium (Li) is an alkali metal with a valence configuration of ns¹ and has a tendency to lose electrons readily

Neon (Ne) is a noble gas with a valence configuration of ns²np⁶. Here the outer shells have a complete octet and stable configuration which makes it difficult to remove electrons. In addition the high nuclear charge and small radius of Ne results in a strong force of attraction between the nucleus and the valence electrons. Therefore, Ne would have the highest ionization energy value.

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