What is Avogadro's number?

A 6.022 × 10²³

B 3.14 × 10⁸

C 9.81 × 10⁰

D 1.602 × 10⁻¹⁹

✓ Correct Answer: Option A

Avogadro's number (6.022 × 10²³) is the number of atoms/molecules in one mole of a substance.

💡 Why is A) the correct answer?

The correct answer to the question "What is Avogadro's number?" is Option A: 6.022 × 10²³.

The other options — B) 3.14 × 10⁸, C) 9.81 × 10⁰, D) 1.602 × 10⁻¹⁹ — are incorrect for this ACT Exam Prep question. As explained above: Avogadro's number (6.022 × 10²³) is the number of atoms/molecules in one mole of a substance.

📚 About This ACT Exam Prep Practice Question

This 2-level ACT Exam Prep question from the Science topic is part of BrainForge Quiz'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 ACT Exam Prep practice test or use flashcards for spaced repetition review.

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What is Avogadro's number?

✓ Correct Answer: Option A

📚 About This ACT Exam Prep Practice Question

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