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ISSB Initial Tests 2026 Academic Test Chemistry Structure of Atom Free Quiz 2
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ISSB Initial Tests 2026 Academic Test Chemistry Structure of Atom Free Quiz 2
Practice ISSB Initial Tests 2026 Academic Test Chemistry MCQs from Structure of Atom. Get instant results with Explanation.
Practice Quiz 2 for "Structure of Atom" (Chemistry). Total 46 MCQs available, split into 5 quizzes. Test your understanding of core concepts. Mastering these concepts is essential for securing a high percentile in ISSB Initial Tests.
General5 MCQs
11. Who proposed the wave nature of moving particles?
12. Bohr's postulates are based on:
13. The radius of the nth orbit in the hydrogen atom is given by:
14. The energy of the nth orbit of a hydrogen atom is:
15. The angular momentum of an electron in the nth orbit is:
General5 MCQs
16. The Balmer series lies in which region?
17. The Paschen series lies in which region?
18. Which transition in the Lyman series gives the longest wavelength?
19. Quantum numbers define the:
20. The principal quantum number (n) defines:

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ISSB Initial Tests

Conducting Body: Pak Army - Navy - PAF
Frequency: Bi-annual | Time: 150 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 100 MCQs):

Merit Formula: Typically, merit is determined based on: ISSB Recommendation + Initial Test Performance + Academic Record + Medical Fitness. However, the Armed Forces may revise their selection criteria from time to time. Please confirm the official merit criteria before applying.

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