Exam (elaborations)
This Package Contains all the Necessary Materials needed to excel in Chemistry paper A level. It's Comprised of most Questions expected during Exams and Provides the best solutions to the Exam Questions based on the new updates.
1. Describe the trend in ionisation energy down group 2. - Ans .There is an extra electron shell compared to the one above, extra inner shells shield the outer electrons from the attraction of the nucleus. The extra shells means the outer electrons are further away from the nucleus. 2. Group 2...
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