Question 1
Which subatomic particle has a relative mass of approximately 1 and no electrical charge?
Correct Answer:
Neutron
Question 2
How many neutrons are present in an atom of the isotope ^37Cl?
Correct Answer:
20
Question 3
Chlorine has two isotopes: ^35Cl (75.0%) and ^37Cl (25.0%). What is its relative atomic mass?
Correct Answer:
35.5
Question 4
What is the full electron configuration of a sulfur atom (Z = 16)?
Correct Answer:
1s^2 2s^2 2p^6 3s^2 3p^4
Question 5
Which of the following best describes an emission spectrum of hydrogen?
Correct Answer:
Discrete coloured lines on a dark background
Question 1
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About this Exam

Prepare with the IB Chemistry SL Practice Questions - IB Diploma Chemistry Standard Level (SL) Exam practice quiz. This question bank includes 100 questions covering atom, electron, molecule, hydrogen, and energy. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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IB Chemistry SL Practice Questions - IB Diploma Chemistry Standard Level (SL) Exam

This practice set contains 100 questions from the matching question bank and focuses on atom, electron, molecule, hydrogen, and energy. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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