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Type: Multiple-Choice
Category: Physics
Level: Grade 12
Tags: PS1.A
Author: HTPhysics
Created: 2 years ago

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Grade 12 Physics

What is the significance of groups in the periodic table?
  1. Elements in the same group have similar atomic mass.
  2. Elements in the same group have the same number of valence electrons.
  3. Elements in the same group have the same number of protons.
  4. Elements in the same group have the same atomic size.