Modern Periodic Table

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  • Created by: Rebecca F
  • Created on: 05-03-13 18:39

The Modern Periodic Table:
John Newlands:
- Tried listing the elements in order of atomic mass.

- Every eighth element was similar, but the pattern broke after the first 15.

Dmitri Meneleev:
- He left gaps in his table so similar elements always lined up.

- He even predicted properties of missing elements, his

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