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ECAT 2026 Practice Test Chemistry Atomic Structure Free Quiz 5
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ECAT 2026 Practice Test Chemistry Atomic Structure Free Quiz 5
Practice ECAT 2026 Practice Test Chemistry MCQs from Atomic Structure. Get instant results with Explanation.
Practice Quiz 5 for "Atomic Structure" (Chemistry). Total 65 MCQs available, split into 7 quizzes. Review and revise all key topics comprehensively. This area is highly tested in ECAT. Practice these MCQs repeatedly to ensure you don't lose valuable marks on exam day.
General5 MCQs
41. The number of unpaired electrons in nitrogen atom is:
42. The element with atomic number 29 is copper. Its electron configuration is (excluding exceptions):
43. The element with atomic number 24 is chromium. Its electron configuration is:
44. The spectral lines in the hydrogen atom arise due to transitions between:
45. The Lyman series of hydrogen lies in the:
General5 MCQs
46. The Balmer series of hydrogen lies in the:
47. The Paschen series of hydrogen lies in the:
48. The Rydberg constant is approximately:
49. The dual nature of electrons was proposed by:
50. The wave-particle duality of electrons was experimentally confirmed by:

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ECAT

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

⚡ Test Pattern (Total: 100 MCQs):

Merit Formula: Typically, the aggregate is calculated as: (ECAT × 33.33%) + (FSc Part-I × 16.67%) + (Matric × 50%). However, the respective university may revise its merit calculation formula or admission criteria from time to time. Please confirm the official criteria before applying.

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