Exam (elaborations)
AQA GCSE CHEMISTRY 8462/1H Paper 1 Higher Tier Mark scheme 2023
ball of positive charge with (negative) electrons embedded do not accept references to protons, nuclei, neutrons 1 1 AO1 4.1.1.3 (earliest) electrons protons (latest) neutrons 1 AO1 4.1.1.3 (number of outer shell electrons) 7 (reason) (tennessine is in) Group 7 allow t...
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