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JEE Main 201219 MayOnline
Exam
JEE Main
Year
2012
Date
19 May
Mode
Online
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

JEE Main 2012 · 19 May · Online · Chemistry · Classification of Elements and Periodicity in Properties

Which pair of elements with the given atomic numbers is expected to...

Which pair of elements with the given atomic numbers is expected to have similar properties?

Options

  1. A40,72
  2. B20,36
  3. C10,28
  4. D11,12

Correct answer

A. 40,72

Step-by-step solution

Zr(40),Hf(72)\mathrm{Zr}(40), \mathrm{Hf}(72) have similar properties as they belong to same group and have same valence shell electronic configuration.
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