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Ionization Energy and Electron Affinity MCQs for Competitive Exams

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Ionization Energy and Electron Affinity MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

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Topic Notes: Ionization Energy and Electron Affinity

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Ionization Energy and Electron Affinity MCQs in Chemistry are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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31
How many lone pairs are present in the molecule XeOF4?
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32
Among the halogens, which molecule has the highest bond energy?
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33
What is the energy required to remove an electron from an atom?
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34
Energy released or absorbed when electrons are added in atom is_________________?
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35
The presence of an unpaired electron in a molecule imparts which character?
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36
The amount of energy given out when an electron is added to an atom is called:
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37
How do the melting points of elements in Group VII-A change as you move down the group?
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38
Which element among the following has a higher first ionization energy?
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39
When electrons collide with heavy metals than ___________ are produced?
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40
What was the approximate TNT equivalent of the energy released by the atomic bomb dropped on Nagasaki, Japan?
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