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The element with atomic number 55 belong...

The element with atomic number 55 belongs to which block of the periodic table

A

s-block

B

p-block

C

d-block

D

f-block

Text Solution

Verified by Experts

The correct Answer is:
A
it is alkali metal.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Which of the following is isoelectronic with carbon?

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  2. The attraction that an atom exerts on a electrons that are being share...

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  3. The element with atomic number 55 belongs to which block of the period...

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  4. Which of the following ions are paramagnetic in character?

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  5. Alkali metals in each period have

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  6. Which block of the periodic table contains the element with configurat...

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  7. The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...

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  8. The correct arrangement of increasing order of atomic radius among Na,...

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  9. The electronic configuration of gadolinium (Atomic number 64) is

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  10. A sudden large jump between the values of second and third ionisation ...

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  11. The ionic radii of N^(3-) O^(2-), F^-, N^+ follows the order

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  12. In the following, the element with the highest electropositivity is

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  13. Collective name given to the elements with outer shell configuration n...

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  14. In the periodic table, the element with atomic number 16 will be place...

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  15. Ca^(2+) is isoelectronic with

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  16. which of the following configurations represents atoms of the elements...

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  17. Gradual addition of electronic shells in the noble gases causes a decr...

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  18. The correct sequence of elements in the decreasing order of first ioni...

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  19. Which of the following statements is correct?

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  20. The correct order of electron affinity of B , C , N and O is

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