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The s-block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe s-block Elements1 Mark
MCQ
$Li$ and $Mg$ resembles each other because
  • A
    both are $s-$block elements
  • B
    both are metals
  • ✓
    both have almost same periodic properties
  • D
    they have same electronic configuration
✓

Answer

Correct option: C.
both have almost same periodic properties
Due to its small size, lithium differs from other alkali metals but resembles with $Mg$ as its size and other periodic properties are closer to $Mg$. Its resemblance with $Mg$ is known as diagonal relationship.

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