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BITSAT 2023Paper 1
Exam
BITSAT
Year
2023
Paper
Paper 1
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

BITSAT 2023 · Paper 1 · Chemistry · Classification of Elements and Periodicity in Properties

Element with electronic configuration 1 s^2 2 s^2 2 p^63 s^2 3 p^6...

Element with electronic configuration 1s22s22p63s23p63d104s24p64d105s25p31 s^2 2 s^2 2 p^63 s^2 3 p^6 3 d^{10} 4 s^2 4 p^6 4 d^{10} 5 s^2 5 p^3 belongs to the following group of the periodic table

Options

  1. A5th
  2. B15th
  3. C3rd3 \mathrm{rd}
  4. D17th

Correct answer

B. 15th

Step-by-step solution

Its valence shell has 5 electrons \left(n s^2, n p^3\right) It belongs to 15 th group of the periodic table.
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