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block elements are called as lanthanides...

___________ block elements are called as lanthanides and actinides in modern periodic table.

A

s

B

p

C

f

D

d

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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
  1. Electronic configuration from ns^2 np^1 to np^2 np^6 are called

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  2. 1 pm = …………..

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  3. block elements are called as lanthanides and actinides in modern perio...

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  4. "The law states hat the physical and chemical properties of the ...

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  5. VI A group elements are called chalcogens. This is because

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  6. The general electronic configuration of d-block elements is

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  7. The size of anion is more than neutral atom. This is due to

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  8. Which of the following is correct with respect to size ?

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  9. M^+ + IE2 =M^(+2)(g)+e^- This represents

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  10. In a period, I.E increases due to

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  11. The I.E of 'N' is more than oxygen even though the size of 'O' is less...

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  12. The formula of chloride formed by eka silicon

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  13. Which of the following atomic numbers belongs to same period ?

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  14. The size of Na^+ is less than 'Na' . This is due to

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  15. Which pair of elements are lanthanides ?

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  16. Arrange the following elements in the order of their decreasing metall...

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  17. Arrange the following elements in the order of their increasing non-me...

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  18. Which of the following elements gives the correct increasing order of ...

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  19. Which of the following reasons corresponds to decrease in IP value fro...

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  20. Nuclear charge increase both in a period and group. But, effective nuc...

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