What are the three subatomic particles in an atom?

A Protons, neutrons, and electrons

B Protons, photons, and electrons

C Neutrons, electrons, and positrons

D Protons, neutrons, and quarks

✓ Correct Answer: Option A

Atoms consist of protons (positive, in nucleus), neutrons (neutral, in nucleus), and electrons (negative, orbiting).

💡 Why is A) the correct answer?

The correct answer to the question "What are the three subatomic particles in an atom?" is Option A: Protons, neutrons, and electrons.

The other options — B) Protons, photons, and electrons, C) Neutrons, electrons, and positrons, D) Protons, neutrons, and quarks — are incorrect for this IB Exam Prep question. As explained above: Atoms consist of protons (positive, in nucleus), neutrons (neutral, in nucleus), and electrons (negative, orbiting).

📚 About This IB Exam Prep Practice Question

This 1-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.

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What are the three subatomic particles in an atom?

✓ Correct Answer: Option A

📚 About This IB Exam Prep Practice Question

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