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Silver and gold atoms have nearly the sa...

Silver and gold atoms have nearly the same atomic radii due to `"…..........."`

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lanthanoid contraction
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PRADEEP-D- AND F-BLOCK ELEMENTS-TEST YOUR GRIP( FILL IN THE BLANKS)
  1. Third transition series starts with the element "…............" and en...

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  2. In the d-block, the elements which do not generally show the character...

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  3. Silver and gold atoms have nearly the same atomic radii due to "…........

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  4. Among the d-block elements, the highest melting point is shown by "….....

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  5. Among the transiton metals of the first series ( leaving zinc which is...

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  6. The only metal which has a positive standard reductions potential in t...

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  7. The element of first transition series which shows maximum number of o...

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  8. The reaction in which the same substance undergoes oxidation as well...

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  9. [Ti(H(2)O)(6)]^(3+) is purple in colour because it is complimentary co...

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  10. Transition metals in which vacent spaces are occupied by small atoms s...

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  11. Iron, cobalt and nickel are collectively called as "…................"...

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  12. Copper, silver and gold are collectively called as "…............." m...

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  13. First synthetic elements is

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  14. Chromite ore has the formula "…....................".

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  15. When K(2)Cr(2)O(7) is heated to white heat, the products formed are "...

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  16. When KOH is added to K(2)Cr(2)O(7) solution, the coloure changes from...

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  17. overset(V) (Cr) O(4)^(3-) in acidic medium undergoes disproportiona...

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  18. Reddish brown vapours formed when a chloride is heatedwith K(2)Cr(2)O(...

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  19. Acidified K(2)Cr(2)O(7) on reaction with hydrogen peroxide give deep b...

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  20. Yellow coloure of CrO(4)^(2-)O(7) or orange coloure of Cr(2)O(7)^(2-) ...

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