Pearson Edexcel IAL Chemistry AS 8.12 Reasons for the trend in reactivity of the elements
Pearson Edexcel IAL Chemistry AS 8.12 Reasons for the trend in reactivity of the elements

Pearson Edexcel IAL Chemistry syllabusChemistry YCH11First assessment 2019
Practise explaining increasing reactivity down Groups 1 and 2 by linking easier electron loss to atomic structure.