A diagonal relationship is found between which pair of the following elements?

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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 10 Aug, 2023 Shift 4)
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  1. Li and Mg
  2. Be and B
  3. Be and Mg
  4. Na and Mg

Answer (Detailed Solution Below)

Option 1 : Li and Mg
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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 02 Aug 2023 Shift 1)
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Detailed Solution

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The correct answer is Li and Mg. Key Points

  • Lithium (Li) and Magnesium (Mg) show a diagonal relationship as they are located diagonally opposite to each other in the periodic table.
  • Both Li and Mg have similar atomic radii, electronegativities, and ionization energies due to the similarities in their electronic configurations.
  • A diagonal relationship refers to the similarities in properties between elements that are diagonally opposite to each other in the periodic table.

Additional Information

  • Diagonal relationship is a result of the similarities in the electronic configurations of these elements.
  • Be and B do not show a diagonal relationship as they are not located diagonally opposite to each other in the periodic table.
  • Similarly, Be and Mg do not show a diagonal relationship as they belong to the same group and have different electronic configurations.
  • Na and Mg also do not show a diagonal relationship as they belong to different periods and have different electronic configurations.
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