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KCET2020ChemistryStructure of Atom

The last element of the p -block in 6th period is represented by the outer most electronic configuration.

Options

  1. A7 s², 7 p⁶ ,
  2. B5 f¹⁴ 6 d ¹⁰ 7 s², 7 p⁵
  3. C4 f¹⁴, 5 d¹⁰, 6 s², 6 p⁴
  4. D4 f, ¹⁴ 5 d,¹⁰ 6 s², 6 p⁶

Correct answer

D. 4 f, ¹⁴ 5 d,¹⁰ 6 s², 6 p⁶

Step-by-step solution

The last element in the sixth period will be noble gas Rn with atomic number 86 and electronic configuration 4 f¹⁴, 5 d¹⁰, 6 s², 6 p⁶ .

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