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  1. Periodic Table - Ptable

  2. Periodic Table of Elements - PubChem

  3. Interactive Periodic Table of Elements | Fisher Scientific

  4. Periodic TableRoyal Society of Chemistry

  5. 3D Periodic Table

  6. Interactive Periodic Table of Elements - Idaho National Laboratory

  7. Periodic Table of the Elements | PBS LearningMedia

  8. Periodic Table App | Interactive Periodic Table of Elements

  9. MatterChart - Interactive Periodic Table & Element Explorer

  10. Elements - NumWorks