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Edexcel IAL Chemistry AS 2.17 Periodic ionisation-energy data

Edexcel IAL Chemistry AS 2.17 Periodic ionisation-energy data
Pearson Edexcel IAL Chemistry syllabusChemistry YCH11First assessment 2019

Label axes and units, select a linear scale that uses the grid, plot each point accurately and convert a logarithmic reading back to the requested energy value.

How this is tested

  • Plot ionisation-energy data with labelled axes, units, scale and accurate points.
  • Use a log-ionisation graph to estimate and convert a missing energy value.
  • Identify periodic behaviour from repeating patterns in ionisation-energy data.