WebDec 24, 2014 · 9. How many electrons will be in M shell of an atom having atomic number 15. Ans. Electronic configuration of an element having atomic number 15 is: K shell = 2, L shell = 8, M shell = 5 There are 5 electrons in its M shell 10. What is maximum capacity of a shell? Ans. Maximum capacity of a shell is found by 2n2 formula. Test yourself 2.3 2 3. WebHere we have uploaded the guess paper of the 9th class of all subjects for all boards of Punjab. These include all-important short questions and long questions of all subjects in PDF format. Guess papers are a helpful thing for students, as they can prepare in less possible time before the exam. Moreover, if they have prepared well for the exam ...
9th class chemistry tests pdf chapter wise - Zahid Notes
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