x

Layout of the periodic table

Layout of the periodic table

Simplified periodic table with groups and periods labelled, metals on the left and centre, non-metals on the upper right, and Group 1, Group 7 and Group 0 highlighted

The periodic table is arranged by increasing atomic number, which is the number of protons in the nucleus. In a neutral atom, atomic number also equals the number of electrons.

The periodic table Lesson

  1. GCSE
  2. /Combined Science
  3. /The periodic table

Step-by-step lessons covering AQA GCSE Combined Science The periodic table for Foundation and Higher tier. Each lesson works through exam-style questions.

Lessons