Chemistry · 2020
JEE Main · 3 September 2020, Shift 2 · Q32
The five successive ionization enthalpies of an element are 800, 2427, 3658, 25024 and 32824 kJ mol^-1. The number of valence electrons in the…
The five successive ionization enthalpies of an element are $\displaystyle 800$, $\displaystyle 2427$, $\displaystyle 3658$, $\displaystyle 25024$ and $\displaystyle 32824 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The number of valence electrons in the element is :
Official answer
(3)
$\displaystyle 3$
All Classification of Elements and Periodicity questionsPractice Classification of Elements and Periodicity →
More from Classification of Elements and Periodicity
- The set of elements that differ in mutual relationship from those of the other sets is:2021
- The incorrect statement is2022
- The correct set that contains all kinds (basic, acidic, amphoteric and neutral) of oxides is:2026
- The electron affinity value are negative for A. Be → Be^- B. N → N^- C. O → O^2- D. Na → Na^- E. Al → Al^- Choose the most appropriate answer from…2024
- Consider the elements Mg, Al, S, P and Si, the correct increasing order of their first ionization enthalpy is:2021
- Match List-I with List-II. & \\ 1 s^2 2 s^2 & (i) 801 \\ 1 s^2 2 s^2 2 p^4 & (ii) 899 \\ 1 s^2 2 s^2 2 p^3 & (iii) 1314 \\ 1 s^2 2 s^2 2 p^1 & (iv)…2021
- Electronic configuration of four elements A, B, C and D are given below: 1 s^2 2 s^2 2 p^3 1 s^2 2 s^2 2 p^4 1 s^2 2 s^2 2 p^5 1 s^2 2 s^2 2 p^2…2025
- Identify the elements X and Y using the ionisation energy values given below: Ionization energy (kJ/mol)2021
JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.