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Na^(+) has completely filled K and L she...

`Na^(+)` has completely filled K and L shells. Explain?

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Electron configuration of `Na^(+)` is 2, 8.
So, sodium has completed filled K and L shells because the maximum number of electrons filled in K and L shells are 2 and 8 electrons respectively.
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VGS PUBLICATION-BRILLIANT-WHAT IS INSIDE THE ATOM ?-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. How can an atom achieve octet?

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  2. Explain the notation : .(9)^(19)F

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  3. Define isotope and give two examples.

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  4. ''Sulphur shows multiple valency.'' Explain this.

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  5. Show the arrangement of electrons in first 18 elements schematically.

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  6. What are the applications of isotopes in our daily life?

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  7. If an atom contains one electron and one proton, will it carry any cha...

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  8. If K and L shells of an atom are full, then what would be the total nu...

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  9. If number of electrons in an atom is 8 and number of protons is also 8...

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  10. Chlorine occurs in two isotopic forms that is .(17)^(35)Cl and .(17)^(...

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  11. For the symbol H^(-),D and T tabulate three sub atomic particles found...

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  12. Na^(+) has completely filled K and L shells. Explain?

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  13. If Bromine atom is available in the form of say, two isotopes .(35)^(7...

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  14. The average atomic mass of sample of an element X is 16.2 u. What are ...

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  15. If Z = 3, what would be the valency of the elements? Also, name the el...

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  16. Composition of nuclei of two atomic species X and Y are given as under...

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  17. How did the idea of sub-atomic particles evolve?

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  18. How do we determine the atomic mass of an element with its isotopes?

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  19. Describe the Rutherford's alpha particle scattering experiment. What a...

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  20. What information do you know from .(17)^(35)X ?

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