Class 9 Chemistry e-Book's MCQs - Complete
Atomic Structure Experiments Quiz App & e-Book PDF Download - 61
Apps:
MCQ 61:
The energy of an electron in orbit is proportional to
- distance between shells
- distance from nucleus
- distance between two nuclei
- positive charge inside nucleus
b
Class 9 Chemistry App & e-Book Tests PDF Download
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9th Grade Chemistry MCQs eBook Download
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