WASSCE Chemistry · Foundations & Atomic Theory

The Periodic Table and Periodicity

Groups, periods, and trends in atomic radius, ionisation energy, electronegativity, and metallic character.

lessons
2
of study
14 min
free to read
1

Across the topic: 8 sections · 3 worked examples · 2 diagrams

Topic content

Lessons in this topic

2 lessons · 14 min

  1. 1The periodic table: development, groups, periods and blocks7 minFree
  2. 2Periodic trends: size, ionisation energy and electronegativity7 min Plan
    • Two driving forces
    • Atomic and ionic radius
    • Ionisation energy
    • Electron affinity and electronegativity
    • Metallic character and reactivity

    1 worked example · 1 diagram

Learn the periodic table and periodicity step by step

Unlock both lessons on the periodic table and periodicity, plus every other WASSCE Chemistry topic, exam-style practice marked instantly and guided learning tools.

  • Free account, no card needed
  • Everything from 25 NLe
  • No automatic renewal
Start free

More in Foundations & Atomic Theory

All Chemistry topics