Atomic structure and the periodic table 13 terms Important Chemistry Notes 23 terms CONTINUE Trends in physical properties 10 terms GCSE Edexcel Chemistry - 1.2. - The periodic table - Summary Notes 8 terms Atomic Structure 19 terms AQA C1 - Atomic Structure ...
Periodic table – Group 7 A more reactive halogen will also displace a less reactive halogen from solutions of its salts. E.g. chlorine + potassium bromide potassium chloride + bromine Cl2(g) + 2KBr(aq) 2KCl(aq) + Br2(aq) HIGHER ONLY: These displacement reactions are an examp...
Dmitri Mendeleev First Table made by arranging the 63 known elements in order of atomic weight grouping them by similarity of properties. Predicted the existence of new elements pointed out that some of the known atomic weights were wrong He left space on his table for new elements, and predict...