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

Give the composition of Portland cement.

Identify correct statements from the following:
$i$. Beryllium oxide is an amphoteric oxide.
$ii$. Group $II$ elements dissolve in liquid ammonia to form deep blue-black solutions.
$iii$. The hydration enthalpy of group $II$ ions decreases from $Be^{2+}$ to $Ba^{2+}$.

$A$ pair of substances which gives the same products on reaction with water is

Which of the following alkaline earth metals forms complex compounds?

$MgO$ is used for lining furnaces because

Vedclass Test Series

Exam Paper Generator

Online Exam Module