Which among the following electronic configurations belong to main group elements?
$A. [Ne] 3s^1$
$B. [Ar] 3d^3 4s^2$
$C. [Kr] 4d^{10} 5s^2 5p^5$
$D. [Ar] 3d^{10} 4s^1$
$E. [Rn] 5f^0 6d^2 7s^2$
Choose the correct answer from the options given below:

  • A
    $B$ and $E$ only
  • B
    $A$ and $C$ only
  • C
    $D$ and $E$ only
  • D
    $A, C$ and $D$ only

Explore More

Similar Questions

Provide the name,symbol,and atomic number of the first and last elements for each period from $1$ to $7$ of the periodic table.

What will be the $IUPAC$ symbol and name for the element with atomic number $123$?

The number of elements in the $5^{th}$ period of the periodic table are

What is the maximum number of elements possible in a period? Where are they located?

The number of elements present in the fourth period is

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo