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MDCAT - UHS Past Papers - Chemistry - Chap No 3 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Chemistry - Chap No 3 | Quiz 3

21. Which element has ground state electronic configuration of 1s2 ,2s2 2p6 , 3s2 3p6?



22. Which of the following electronic configuration is correct for carbon?



23. Which of the following is different in Na ( Z = 11), Mg+2 (Z = 12) and Al+3 (Z = 13)?



24. Which element has the ground state electronic configuration of 1s2, 2s2, 2p6, 3s2, 3p6?



25. What is the proton (atomic number) of an element that has four unpaired electrons in its ground state?



26. In propene pi-bond is formed by sideway overlap of:



27. Which set of quantum numbers is not allowed for an electron.



28. Shape of orbital is determined by quantum number:



29. The theories which explain the formation of sigma and pi bond are EXCEPT:



30. Number of unpaired electrons in Boron in ground state is/are:



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