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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: - Boron has two stable isotopes, ¹°B(19%) and ¹¹B(81%). Average atomic weight
- Which one of the following is not an aldose
- Which one of the following statements about transition elements is incorrect
- Benzene hexachloride is an
- An organic compound containing C, H and O gave the following analysis
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
- Boron has two stable isotopes, ¹°B(19%) and ¹¹B(81%). Average atomic weight
- Which one of the following is not an aldose
- Which one of the following statements about transition elements is incorrect
- Benzene hexachloride is an
- An organic compound containing C, H and O gave the following analysis
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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