There are forty questions on this paper. Answer Premium Blood Carbon dioxide Red blood cell 2236 Words 9 Pages Good Essays Read More Past Paper Edexcel A2 Chemistry Questions and Answers Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Chemistry Past Paper Section A (Answer ALL questions in this Section.) 1. Rubidium (Rb) and potassium belong to the same group in the Periodic Table. The relative atomic mass of rubidium is larger than that of potassium. (a) Explain whether rubidium is more reactive than potassium. (b) ...