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The 4 F level is successively filled up ...

The 4 `F` level is successively filled up in

A

Rare earths

B

Rare gases

C

Transition metals

D

Alkaline earth metals

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The correct Answer is:
A
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AAKASH SERIES-PERIODIC CLASSIFICATION-OBJECTIVE EXERCISE - 1 (BLOCK AND TYPES OF ELEMENTS)
  1. Most of the non-metals are present in the long form of the periodic ta...

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

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  3. The 4 F level is successively filled up in

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

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

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  6. Elements of p-block are

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  7. The following ion is colourless in aqueous solution ?

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

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

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  10. In lanthanides, the differentiating electron enters into

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  11. Which is not a transition metal?

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  12. (A): Zinc is not considered as a transition element (R): Zn or Zn^(+...

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  13. The general electronic configuration (n - 1)d^3ns^2? indicates that th...

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  14. Which one of the following pairs of ions have the same electronic conf...

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  15. The electronic configuration 1s^2 2s^6 2p^6 3s^2 3p^4 represents

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  16. What is wrong about transition metals?

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  17. Which of the following is a rare earth element?

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  18. Variable valency is exhibited by

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  19. Which one of the following is correct about stability of the given ion...

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  20. The transition element among the following is

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