Q4 / 100 · BITSAT 2023 (Memory Based Paper 1) · Chemistry
Element with electronic configuration $1 s^2 2 s^2 2 p^6$ $3 s^2 3 p^6 3 d^{10} 4 s^2 4 p^6 4 d^{10} 5 s^2 5 p^3$ belongs to the following group of the periodic table
- A5th
- Correct answerB15th
- C$3 \mathrm{rd}$
- D17th
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.
Hence, the correct answer is option: 'B'.