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Covalent radius of an element isthan its...

Covalent radius of an element is_____than its van der waals radius.

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This question has statement I and statement II of the four choices given after the statements choose the one that best describes the two statements Statement -I:vander walls radius of an element is always larger than its covalent radius Statement-II:vander walls radius is one half of the distance between the nuclei of two non bonded isolate atoms

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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-FILL IN THE BLANKS
  1. The element with electronic configuration 1s^(2)2s^(2)2p^(4) is presen...

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  2. The general electronic configuration of transition elements is

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  3. Effective nuclear charge=total nuclear charge-.

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  4. The IUPAC name of the element having atomic number 150 is.

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  5. for homonuclear diatomic molecule, covalent radius=xxinternuclear dist...

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  6. Inter nuclear distance of HCl molecule is 1.36Å and covlaent radius of...

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  7. Covalent radius of an element isthan its van der waals radius.

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  8. Anionic radius isthan the original atomic radius.

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  9. On moving from left to right across a period, the acidic property of o...

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  10. Hydrides of most of the non-metals arein nature.

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  11. The first ionisation potential of carbon is but the second ionisation ...

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  12. Among the halogens. is most reducing in nature.

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  13. Electron affinity of Be and are almost same.

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  14. In a particular energy level, (orbit), the follows the order s gt p gt...

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  15. In case of elements belonging to the same group, ionic radiiwith incre...

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  16. F^(-),Ne,Mg^(2+),Na^(+) are ions.

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  17. Ionisation enthalpy of Cu and K can be explained on the basis of .

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  18. of the atom of any element and the first ionisation enthaly of its ani...

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  19. Atomic mass=Atomic volumexx.

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  20. Low solubility of Li(2)CO(3) and MgCO(3) in water can be exaplained by

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