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The periodic table

All 118 known elements fit on one chart of 18 columns and 7 rows. Raise the tiles in 3D by mass, size or electronegativity and the patterns that chemists use every day show up as hills and valleys.

Progress
  1. 1How the table is organised
  2. 2Groups and periods
  3. 3Metals, nonmetals and metalloids
  4. 4Trend: atomic radius
  5. 5Trend: electronegativity
  6. 6Noble gases and halogens
  7. 7History: Mendeleev and the gaps