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Identify the correctly matched set among...

Identify the correctly matched set among the following

A

Scandium - cl - block - represcntative element

B

Lanthanum - d-block-inner transition element

C

Cerium - f· block - transition element

D

Actinium - d - block - transition element

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -1 ( BLOCKS AND TYPES OF ELEMENTS)
  1. The general electronic configuration of d-block elements is

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  2. Identify the correctly matched set among the following

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  3. The representative elements get the nearest inert gas configuration

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  4. In transition elements, the shells that are incompletely filled

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  5. The characteristic properties of transition elements are due to

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  6. Rare earths are generally

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  7. Lanthanum belongs to

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  8. In the periodic table transition elements begin with

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  9. Inert gas element which has a different valence shell configuration

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  10. Atomic numbers of actinides are

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  11. Most of the non-metals are present in the long form of the periodic ta...

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  12. Metal used as catalyst in the hydrogenation of vegetable oils

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  13. Tile 4f-subshell is successively filled for

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  14. The role of 'Molybdenum' in Uaber's synthesis is

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  15. The period in which s-block, p-block and d- block elements are present

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  16. Elements of p-block are

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  17. The following ion is colourless in aqueous solution ?

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  18. Which of the following electronic configuration corresponds to an iner...

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  19. The rare gas that is most abundant in the atmosphere is

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  20. In lanthanides, the differentiating electron enters into

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