Select the elements belonging to the same gro | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Option $A$ is correct.Elements in the same group have the same valence shell electronic configuration.For option $A$ $(Z = 4, 12, 38, 88)$:$Z = 4$

Vedclass · Accepted Answer

$Z = 4, 12, 38, 88$

Vedclass · Answer

(A) Option $A$ is correct.Elements in the same group have the same valence shell electronic configuration.For option $A$ $(Z = 4, 12, 38, 88)$:$Z = 4$ is $Be$ $([He] 2s^2)$$Z = 12$ is $Mg$ $([Ne] 3s^2)$$Z = 38$ is $Sr$ $([Kr] 5s^2)$$Z = 88$ is $Ra$ $([Rn] 7s^2)$All these elements belong to Group $2$ (Alkaline Earth Metals) as they all have $ns^2$ valence configuration.

Select the elements belonging to the same group from the following list:

Similar Questions

When $MgCl_2 \cdot 6H_2O$ is strongly heated,then it forms

Which of the following compounds has a lattice energy value lower than its hydration energy?

Magnesia is

Which alkaline earth metal chloride imparts an apple green color to the burner flame?

The correct order of decomposition temperature of $MgCO_3$ $(X)$,$BaCO_3$ $(Y)$,$CaCO_3$ $(Z)$ is

Vedclass Test Series

Exam Paper Generator

Online Exam Module