Exam (elaborations)
EDEXCEL A LEVEL 2023 CHEMISTRY
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EDEXCEL A LEVEL 2023 CHEMISTRY (ii) Explain which of chromium or calcium most easily forms a +2 ion using all of the data in the table. - correct answersCalcium forms 2+ more readily as the sum of 1 and 2 ionisation energies are lower Calcium has a lower nucleur charge So less attraction b...
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