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block elements generally form coloured c...

_____block elements generally form coloured complex compounds.

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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-FILL IN THE BLANKS
  1. Noble metals are chemically.

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  2. f-block elements arein nature due to the presence of odd electrons.

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  3. block elements generally form coloured complex compounds.

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  4. Zn, Cd and are not transition elements though they are d-block element...

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  5. The element with electronic configuration 1s^(2)2s^(2)2p^(4) is presen...

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  6. The general electronic configuration of transition elements is

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  7. Effective nuclear charge=total nuclear charge-.

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

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

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

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

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  12. Anionic radius isthan the original atomic radius.

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

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

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

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

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  17. Electron affinity of Be and are almost same.

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

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

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

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