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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-EXERCISE
- Correct set of four quantum numbers for the valence (outermost) electr...
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- The number of neutrons in dipositive zinc ion with mass number 70 is.
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- Principal quantum number of an atom represents :
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- the maximum number of electrons that can be accommodated in the 3^(rd)...
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- The size of the following species increases in the order
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- ln which of the following electronic configuration ionisation energy w...
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- The correct order of second ionisation potential of C, N, O and F is:
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- The ionization energy will be maximum for the process.
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- The correct order of second I.P.
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- Amongst the following, the incorrect statement is
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