To which block do the elements with atomic number 56 belong?

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RRC Group D Previous Paper 7 (Held On: 25 Sep 2018 Shift 1)
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  1. p
  2. f
  3. d
  4. s

Answer (Detailed Solution Below)

Option 4 : s
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Detailed Solution

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  • Atomic number 56, Barium belongs to s - block elements.
  • Electronic configuration for the Barium [Xe]6s2
  • Modern Periodic Table is classified into the following elements - p-block, s-block, d-block, and f-block.
  • s-block elements include alkali metals and alkaline earth metals.

 

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