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The increasing order of the atomic radiu...

The increasing order of the atomic radius of `Si,S, Na, Mg,Al` is

A

`S lt Si lt Al lt Mg lt Na`

B

`Na lt Al lt Mg lt S lt Si`

C

`Na lt Mg lt Si lt Al lt S`

D

`Na lt Mg lt Al lt Si lt S`

Text Solution

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The correct Answer is:
A
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -C.U.Q
  1. As number of protons is the nucleus increases, atomic radius gradually...

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  2. The Lanthanide contraction is responsible for the fact that

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  3. The increasing order of the atomic radius of Si,S, Na, Mg,Al is

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  4. Which of the following process refers to ionisation potential ?

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  5. The element with highest ionisation potential is

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  6. In the long form of periodic table elements with low ionisation potent...

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  7. As atomic number of elements increases I.P. value of the elements of t...

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  8. The ionization potential values of an element are in the following ord...

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  9. Which of the following elements has the lowest ionization potential ?

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  10. The ionisation energy of nitrogen is more than that of oxygen because

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  11. The correct order of the second ionisation potential of carbon, nitrog...

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  12. The I(1) values of Li,Be and C are 5.4 eV//"atom", 9.32 eV//"atom" and...

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  13. The ionisation potential of "X" ion is equal to

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  14. The I(1) of potassium is 4.339 eV//"atom". The I(1) of sodium

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  15. The first ionization potentials of four consecutive elements present i...

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  16. Which of the following transitions involves maximum amount of energy?

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  17. The I(1),I(2),I(3),I(4) values of an element "M" are 120 kJ/mole, 600 ...

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  18. The electronic configuration of element A, B, and Care [He]2s^(1),[Ne]...

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  19. Which of the following species has the highest ionization potential

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  20. The low electron affinity value of nitrogen is due to

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