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Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Practice Questions - Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Exam

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About this Exam

Prepare with the Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Practice Questions - Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Exam practice quiz. This question bank includes 100 questions covering calculate, reaction, equilibrium, rate, and constant. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
Which set of quantum numbers (n, l, ml, ms) is valid for the last electron of a ground-state nitrogen atom (Z = 7)?
(2, 1, +1, +1/2)
(2, 2, 0, +1/2)
(2, 0, +1, -1/2)
(1, 1, 0, +1/2)
Question 2
What is the ground-state electron configuration of the Fe³⁺ ion (Z = 26)?
[Ar] 4s² 3d³
[Ar] 3d⁵
[Ar] 4s¹ 3d⁴
[Ar] 3d⁶
Question 3
Calculate the energy of a photon of electromagnetic radiation with a wavelength λ = 500 nm in a vacuum. (Given: h = 6.626 · 10⁻³⁴ J·s, c = 3 · 10⁸ m/s).
1.33 · 10⁻²⁷ J
9.94 · 10⁻³¹ J
3.98 · 10⁻¹⁹ J
5.96 · 10⁻¹⁷ J
Question 4
Which of the following chemical species has the largest ionic radius?
Cl⁻
K⁺
Ca²⁺
S²⁻
Question 5
Calculate the de Broglie wavelength associated with an electron (m = 9.11 · 10⁻³¹ kg) moving at a velocity v = 2.00 · 10⁶ m/s. (Given: h = 6.626 · 10⁻³⁴ J·s).
0.364 nm
1.21 nm
3.64 nm
0.036 nm

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Additional Information

Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Practice Questions - Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Exam

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

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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