Question 1
Which set of quantum numbers (n, l, ml, ms) is valid for an electron located in a 3p atomic orbital?
Correct Answer:
(3, 1, 0, +1/2)
Question 2
What is the ground-state electron configuration of a neutral chromium atom (Cr, Z = 24)?
Correct Answer:
[Ar] 4s¹ 3d⁵
Question 3
Which of the following Period 3 elements possesses the highest first ionization energy (I₁)?
Correct Answer:
Chlorine (Cl)
Question 4
Among the isoelectronic species Na⁺, Ne, F⁻, and O²⁻, which species has the largest ionic/atomic radius?
Correct Answer:
O²⁻
Question 5
A violet laser emits electromagnetic radiation with a wavelength λ = 400 nm. What is the energy of a single photon emitted by this laser? (h = 6.626 × 10⁻³⁴ J·s, c = 3.00 × 10⁸ m/s)
Correct Answer:
4.97 × 10⁻¹⁹ J
Question 1
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Prepare with the Canary Islands PAU Chemistry Practice Questions - Canary Islands PAU Chemistry Examination 2026 (Química 2o Bachillerato COPAU) Exam practice quiz. This question bank includes 100 questions covering calculate, equilibrium, energy, standard, and reaction. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Canary Islands PAU Chemistry Practice Questions - Canary Islands PAU Chemistry Examination 2026 (Química 2o Bachillerato COPAU) Exam

This practice set contains 100 questions from the matching question bank and focuses on calculate, equilibrium, energy, standard, and reaction. 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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