Back to CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Medium

1 of 1

Analyzing +4 | -1

The electronic configuration of four elements are given below. Which elements does not belong to the same family as others?

View answer and explanation

Correct option: C

[\mathrm{Ne}] 3 s^2 3 p^5

Option C ([Ne] 3s² 3p⁵) is correct because it is the only element with 7 valence electrons, belonging to Group 17, while the others have 2 valence electrons.

More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

Practice All Chapter MCQs →

The compounds of the s-block elements, with the exception of lithium and ...

X

... are predominantly ionic. Here,

X

refers to Among the following elements, the most electronegative is: The pair of amphoteric hydroxides is The element with atomic number 117 if discovered would be placed in The correct order of size among

\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

and

\mathrm{F}^{-}

is: First, second and third

IE

values are 100 eV, 150 eV and 1500 eV. Element can be