Periodic table

Periodic Table

By Gunn

  • Stanislao identified that elements can have more than one atom

  • Period: to

    Periodic Table

  • Dimitri creates a table based on atomic weights.

  • Dimitri devises the periodic table.

  • The term nobel gasses was discovered.

  • X-Ray beams were discovered.

  • Marie finds two new elements "Polonium" and "Radium."

  • Half-Life term was invented.

  • Neptunium is identified.

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