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Question 1
How many protons, neutrons, and electrons are present in a single iron(III) ion, 56Fe3+? (Atomic number of Fe = 26, Mass number = 56)
Correct Answer:
26 protons, 30 neutrons, 23 electrons
Question 2
Naturally occurring copper consists of two stable isotopes: 63Cu (relative isotopic mass 62.93, abundance 69.17%) and 65Cu (relative isotopic mass 64.93, abundance 30.83%). What is the relative atomic mass (Ar) of copper to two decimal places?
Correct Answer:
63.55
Question 3
What is the ground-state electronic configuration of a chromium atom (Cr, atomic number 24)?
Correct Answer:
[Ar] 3d5 4s1
Question 4
The first six successive ionization energies (in kJ mol^-1) for an unknown element X are: 738, 1450, 7730, 10540, 13630, 17995. In which group of the Periodic Table is element X located?
Correct Answer:
Group 2
Question 5
The convergence limit of the Lyman series in the emission spectrum of atomic hydrogen occurs at a wavelength of 91.2 nm (9.12 x 10^-8 m). Given Planck's constant h = 6.63 x 10^-34 J s, speed of light c = 3.00 x 10^8 m s^-1, and Avogadro constant L = 6.02 x 10^23 mol^-1, what is the first ionization energy of hydrogen in kJ mol^-1?
Correct Answer:
1312 kJ mol^-1
Question 1
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Prepare with the Cameroon GCE A-Level Chemistry Practice Questions - Cameroon General Certificate of Education Advanced Level Chemistry (Subject Code 0715) Exam practice quiz. This question bank includes 100 questions covering standard, reaction, solution, enthalpy, 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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Cameroon GCE A-Level Chemistry Practice Questions - Cameroon General Certificate of Education Advanced Level Chemistry (Subject Code 0715) Exam

This practice set contains 100 questions from the matching question bank and focuses on standard, reaction, solution, enthalpy, 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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