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The structure of matter HTML5


This animation presents symbolic illustrations of molecules (H₂O), atoms, electrons, the nucleus, protons, and neutrons .  It also introduces thermal agitation, electrical neutrality and electrical charge, and the Periodic Table of the Elements first developed by Mendeleev.
Scale is  not respected ! The circular orbits of the electrons are a frequently used simplification that is  known to be incorrect.

Click on or on buttons to focus on a specific level.

Learning goals

  • To get a simplified view of the structure of matter.
  • To define each of the basic constituents of matter.