AQA · OCR A · A-level Chemistry

Ionisation energy plotter

Choose a period, group or element and plot the data instantly. Use it in class, compare unfamiliar patterns or see what happens beyond first ionisation energy.

1st–10th IE where data allowperiod and group plotssuccessive IE

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Choose a dataset and the graph redraws immediately. Values come from Chemistry Help's local ionisation-energy dataset.

2nd ionisation energy across Period 3

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Tap or click a plotted point to see its exact value.

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Ionisation energy hub

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