Among the given configurations,identify the element which does not belong to the same family as the others?

  • A
    $[ Ne ] 3 s^2 3 p^5$
  • B
    $[ Ar ] 3 d^{10} 4 s^2$
  • C
    $[ Kr ] 4 d^{10} 5 s^2$
  • D
    $[ Xe ] 4 f^{14} 5 d^{10} 6 s^2$

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Similar Questions

Given below are two statements:
Statement $I$: The number of pairs among $[Al_2O_3, Cr_2O_3]$, $[Cl_2O_7, Mn_2O_7]$, $[Na_2O, V_2O_3]$ and $[CO, N_2O]$ that contain oxides of same nature (acidic, basic, neutral or amphoteric) is $4$.
Statement $II$: Among $Na_2O, Al_2O_3, CO$ and $Cl_2O_7$, the most basic and acidic oxides are $Na_2O$ and $Cl_2O_7$, respectively.

Which one of the following reactions does not occur?

The electronic configuration of an element is $1s^2, 2s^2 2p^6, 3s^2 3p^3$. What is the atomic number of the element which is just below the above element in the periodic table?

$Mg^{2+}$ is . . . . . . than $Al^{3+}$.

The elements with the following atomic numbers belong to the same group:

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