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JEE Main202228 Jun 2022Morning ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

Element " E " belongs to the period 4 and group 16 of the periodic table. The valence shell electron configuration of the element, which is just above " E " in the group is

Options

  1. A2 s 2 2 p 4
  2. B3 d 10 , 4 s 2 , 4 p 4
  3. C3 s 2 3 p 4
  4. D4 d 10 , 5 s 2 , 5 p 4

Correct answer

C. 3 s 2 3 p 4

Step-by-step solution

General outer electronic configuration of 16 th group elements is ns 2 np 4 16 th group element belonging to 4 th period is Se and its outer electronic configuration is 4 s 2 4 p 4 . The element present above selenium is sulphur and the outer electronic configuration of sulphur is 3 s 2 3 p 4 .

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