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The electronic configuration of four elements are given below. Which elements does not belong to the same family as others ?
Options
(a) [Xe]4f¹⁴5d¹°1s²
(b) [Kr]4d¹°5s²
(c) [Ne]3s³3p⁵
(d) [Ar] 3d¹°4s²
Correct Answer:
[Ne]3s³3p⁵
Explanation:
Elements (a), (b) and (d) belong to the same group since each one of them has two electrons in the s sub shell. In contrast, element(c) has seven electrons in the valence shell and hence does not lie in the same group in which elements (a), (b) and (d) lie
Related Questions: - Correct order of the stability of group IIA metal carbonates is
- The pair of species with the same bond order is:
- Which of the following can be termed a phenol formaldehyde resin
- The equilibrium weight of MnSO₄ is M/2 when it changes into
- The maximum valency of an element with atomic number 7 is
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Correct order of the stability of group IIA metal carbonates is
- The pair of species with the same bond order is:
- Which of the following can be termed a phenol formaldehyde resin
- The equilibrium weight of MnSO₄ is M/2 when it changes into
- The maximum valency of an element with atomic number 7 is
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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