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Mercury is a liquid metal because...

Mercury is a liquid metal because

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In chromium, the interatomic bonding in the atoms is very strong because they have five unpaired electrons `(3d^(5)4s^(1))` in the d-subshell. Therefore, chromium is a very hard metal. On the contrary, in mercury, the atoms have fully filled d-obitals `(5d^(10)6s^(2))` and the bonding in them is quite weak. Therefore, mercury is a liquid at room temperature.
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Additional Important Question
  1. The atomic radii of transition elements in a period are.

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  2. The second and third members in each group of the transition elements...

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  3. Mercury is a liquid metal because

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  4. Transition metals of 3d-series donot react readily with dilute acids t...

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  5. Which of the following element form interstitial compounds?

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  6. ZnO is white cold and yellow when heated, it is due to the development...

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  7. Calculate equivalent weight of Cu in CuO and Cu(2)O. At.wt. of Cu=63.6...

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  8. Out of Co^(2+) and Ni^(2+) ions, which has lower magnetic moment ?

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  9. Copper (I) is diamagnetic while copper (II) is paramagnetic . Explain...

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  10. Zn^(2+) salt are white while Cu^(2+) salts are blue. Assign reason.

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  11. Out of Fe^(2+) and Fe^(3+) ions, which is more stable ?

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  12. Anhydrous ferric chloride is prepared by:

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  13. On the basis of the standard electroe potential values stated for acid...

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  14. Whys is chemistry of all lanthaoids identical ?

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  15. The element scandium (Z=21) does not exhibit variable oxidation state ...

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  16. Why is the E^(Theta) value for the Mn^(3+)//Mn^(2+) couple much postiv...

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  17. With 3d^(4) configuration, Cr^(2+) acts as a reducing agent but Mn^(3+...

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  18. One among the lanthanoides, Ce(III), can be easily oxidized to Ce(IV) ...

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  19. Copper (I) is diamagnetic while copper (II) is paramagnetic . Explain...

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  20. Why do chromium group elements have the highest melting point in their...

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