Apentix/AP Chemistry/Unit 1: Atomic Structure and Properties/Question
AP Chemistryhardmcq1 pt

Which element has the highest first ionization energy?

A.Sodium
B.Magnesium
C.Aluminum
D.Neon

Explanation

Core Concept

Neon is a noble gas with a complete valence shell, making it extremely difficult to remove an electron. It has the highest first ionization energy among the options.

Correct Answer

DNeon

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