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Sodium ion is isoelectronic with……..atom...

Sodium ion is isoelectronic with……..atom

A

`Mg^(2+)`

B

`Al^(3+)`

C

Ne

D

`N^(3-)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-Level - I (EAMCET) (Exercise - I (Fundamental particle , Atomic number and mass number , Atomic models, Nature of light , Spectra))
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  2. The nucleus of tritium consists of

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  3. Sodium ion is isoelectronic with……..atom

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  4. An atom differs from its ion in

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  5. In C^(14) isotope the number of nuetrons would be

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  6. The number of neutrons in the dipositive zinc ion (Mass no. of Zn = 65...

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  7. Line spectrum is characteristic of

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  8. The spectrum obtained from incandescent solids is

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  9. The wavelengths of which series lie in the ultraviolet region ?

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  10. (A) : Hydrogen has only one electron in its orbit but produces several...

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  11. When electron jumps from 5^(th) energy level to 1^(st) energy level, t...

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  12. When the electron in the 'H' atom jumps from the fifth orbit to the se...

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  13. The following series of lines is found in the ultraviolet region of hy...

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  14. Brakett series is produced when the electrons from outer orbits jumps ...

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  15. The equation corresponding to the wave number of spectral lines if Pfu...

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  16. The value of n(1) in Balmer series is

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  17. The value of Rydberg constant is

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  18. A spectral line of hydrogen with lambda = 4938 Å belongs to the series

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  19. Among the first lines of Lyman,Balmer, paschen and Brackett series in ...

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  20. What are the values of n(1) and n(2) respectively for H(b) line in the...

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