What is Avogadro's number?

A 3.14 × 10²³

B 6.022 × 10²³

C 1.602 × 10⁻¹⁹

D 9.81 × 10¹

✓ Correct Answer: Option B

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

💡 Why is B) the correct answer?

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

The other options — A) 3.14 × 10²³, C) 1.602 × 10⁻¹⁹, D) 9.81 × 10¹ — are incorrect for this IB Exam Prep question. As explained above: Avogadro's number (6.022 × 10²³) is the number of particles (atoms, molecules, etc.) in one mole of a substance.

📚 About This IB Exam Prep Practice Question

This 2-level IB Exam Prep question from the Chemistry 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 IB Exam Prep practice test or use flashcards for spaced repetition review.

Practice IB Exam Prep Quizzes → Browse All Questions Study Flashcards

What is Avogadro's number?

✓ Correct Answer: Option B

📚 About This IB Exam Prep Practice Question

Related IB Exam Prep Questions