The first ionization energy generally increases:

A Down a group

B From left to right across a period

C Stays constant

D Decreases across a period

✓ Correct Answer: Option B

Across a period, increasing nuclear charge and decreasing radius make it harder to remove an electron.

💡 Why is B) the correct answer?

The correct answer to the question "The first ionization energy generally increases:" is Option B: From left to right across a period.

The other options — A) Down a group, C) Stays constant, D) Decreases across a period — are incorrect for this Everyday Science question. As explained above: Across a period, increasing nuclear charge and decreasing radius make it harder to remove an electron.

📚 About This Everyday Science Practice Question

This 2-level Everyday Science question from the Chemistry - Elements & Compounds topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Everyday Science practice test or use flashcards for spaced repetition review.

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The first ionization energy generally increases:

✓ Correct Answer: Option B

📚 About This Everyday Science Practice Question

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