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Group I properties
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Group I at a glance

Group I at a glance

Column of Group I alkali metals from lithium to caesium with shell diagrams and arrows showing atomic size, reactivity, density and melting point trends

Group I is the first vertical column of metals in the Periodic Table. The alkali metals are lithium, sodium, potassium, rubidium and caesium.

Group I properties Lesson

  1. IGCSE
  2. /Chemistry
  3. /Group I properties

Step-by-step lessons on CIE IGCSE Chemistry Group I properties. Each one builds up to exam-style questions. Build a solid grasp of atomic structure, bonding and the mole concept early, since these underpin almost every other topic, then move on to the more calculation-heavy quantitative and organic chemistry content.

Lessons