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The electronic configuration of an eleme...

The electronic configuration of an element is `1s^(2)2s^(2)2p^(6)3s^(2)3p^(3)`. The atomic number of the element which is just below the above element in the periodic table is

A

34

B

49

C

33

D

31

Text Solution

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The correct Answer is:
C
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NTA MOCK TESTS-NTA NEET SET 53-CHEMISTRY
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  2. In a mono - keto compound , generally which from of tautomeric structu...

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  3. In the chemical reactions, Compounds A and B respectively are

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  6. The nature of 2, 4, 6 - trinitrophenol is

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  7. The compound B is : CH(3)CH(2)COOH overset(Cl(2))underset(red P)rarr...

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  8. A precipitate of the following would be obtained when HCl is added to ...

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  9. Which of the following is not a biopolymer?

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  10. For an exothermic reaction , temperature increase by 10^@C , the equil...

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  11. The general formula of a cycloalkane is

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  12. If the ionic product of Ni (OH)2 is 1.9xx10^(-15), the molar solubilit...

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  13. Which is a Lewis base ?

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  14. In the following graph of Maxwell - Boltzmann distribution of molecula...

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  15. Molecular formula C3H9N represents :

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  16. Which of the following is its mineral for tin

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  17. A reaction A +B rarr C+D +q is found to have a positive entropy change...

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  18. What is the IUPAC of the following compounds ?

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  19. Non-stoichiometric cuprous oxide. Cu(2)O can be perpared in laboratory...

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  20. Marble acts as a sink for

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