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NEETChemistryClassification of Elements and Periodicity in Properties

What do elements in the same vertical column or group of the Periodic Table have in common?

Options

  1. ASimilar atomic numbers.
  2. BSimilar valence shell electronic configurations.
  3. CSimilar atomic masses.
  4. DSimilar numbers of protons.

Correct answer

B. Similar valence shell electronic configurations.

Step-by-step solution

Elements in the same vertical column or group have similar valence shell electronic configurations.

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