Question 1
Which set of quantum numbers (n, l, m_l, m_s) is valid for an electron occupying a 3d atomic orbital?
Correct Answer:
n = 3, l = 2, m_l = -1, m_s = +1/2
Question 2
What is the ground-state electron configuration of a neutral chromium atom (Z = 24)?
Correct Answer:
[Ar] 4s¹ 3d⁵
Question 3
Which of the following Period 3 elements possesses the highest first ionization energy?
Correct Answer:
Argon (Ar)
Question 4
According to VSEPR theory, what is the molecular geometry of sulfur tetrafluoride (SF4)?
Correct Answer:
See-saw
Question 5
What is the hybridization state of each carbon atom in ethyne (ethyne / acetylene, HC≡CH)?
Correct Answer:
sp
Question 1
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Prepare with the European Baccalaureate Chemistry Practice Questions - European Baccalaureate Chemistry Exam practice quiz. This question bank includes 100 questions covering reaction, equilibrium, enthalpy, constant, and rate. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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European Baccalaureate Chemistry Practice Questions - European Baccalaureate Chemistry Exam

This practice set contains 100 questions from the matching question bank and focuses on reaction, equilibrium, enthalpy, constant, and rate. 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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