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ECAT 2026 Practice Test Chemistry Atomic Structure Free Quiz 3
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ECAT 2026 Practice Test Chemistry Atomic Structure Free Quiz 3
Practice ECAT 2026 Practice Test Chemistry MCQs from Atomic Structure. Get instant results with Explanation.
Practice Quiz 3 for "Atomic Structure" (Chemistry). Total 65 MCQs available, split into 7 quizzes. Challenge yourself with advanced application-based questions. This area is highly tested in ECAT. Practice these MCQs repeatedly to ensure you don't lose valuable marks on exam day.
General5 MCQs
21. The ground state of hydrogen corresponds to n =
22. The ionization energy of hydrogen is:
23. The radius of the first Bohr orbit of hydrogen (Bohr radius) is approximately:
24. The de Broglie wavelength of a particle is given by:
25. The Heisenberg uncertainty principle states that it is impossible to determine simultaneously the exact position and exact momentum of a particle. The relation is:
General5 MCQs
26. The quantum number that defines the main energy level is:
27. The quantum number that defines the shape of an orbital is:
28. The number of orbitals in a subshell is given by:
29. The maximum number of electrons in a shell is:
30. The maximum number of electrons in a subshell is:

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Conducting Body: UET
Frequency: Quarterly | Time: 100 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 100 MCQs):

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