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The element with atomic number 56 belong...

The element with atomic number `56` belongs to which block ?

A

s

B

p

C

d

D

f

Text Solution

Verified by Experts

The correct Answer is:
A
Element with At.no. 56 has the electronic configuration `[Xe]6s^(2)` , thus belongs to s-block of the periodic table.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Which of the following order is wrong-

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  2. Which is true about the electronegative order of the following element...

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  3. The element with atomic number 56 belongs to which block ?

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  4. Which of the following order is correct for the first ionozation poten...

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  5. Electron affinity depends on

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  6. Which of the following is correctly matched?

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  7. Which of the following is not isoelectronic ?

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  8. Two elements whose electronegativities are 1.2 and 3.0 the bond formed...

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  9. The ions O^(2-), F^(-), Na^(+), Mg^(2+), and Al^(3+) are isoelectronic...

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  10. According to the Periodic Law of elements, the Variation in properties...

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  11. Which one of the following groupings represents a collection of isoele...

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  12. Arrange in order of increasing I.P.

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  13. Number of elements present in 5th period is

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  14. What is the general outer electronic configuration of the coinage meta...

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  15. How does the ionisation energy of 1st group elements very ?

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  16. The electron gain enthalpy values (in kJ mol^(-1) ) of three halogens,...

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  17. An atom with high electronegativity has

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  18. In any period of the periodic table, valency of an element with respec...

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  19. For the electron affinity of halogens (with -ve sign), which of the fo...

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  20. The elements with atomic numbers 9, 17, 35,53, 85 and all

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