Middle schoolToward high school9 minLesson 15 of 15

First look at the periodic classification

Reading the table, spotting families (alkali metals, halogens, noble gases). Why some elements share properties.

What this lesson covers

  1. The periodic table: a map of the elements
  2. Reading the table
  3. The main element families
  4. Why similar properties?
  5. Metals, non-metals, and metalloids
  6. An ever-evolving tool

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