History of the periodic table 0.0 / 5 ? ChemistryThe Periodic TableASOCR Created by: LeahhJaneeCreated on: 01-12-16 14:16 What the elements were grouped by before protons were discovered Relative atomic mass 1 of 8 What was Döbereiner's idea for grouping? Triads 2 of 8 The person who created the Law of Octaves John Newlands 3 of 8 Who created a table and left gaps? Dmitri Mendeleev 4 of 8 The modern periodic table is arranged by... Proton number 5 of 8 The year Mendeleev created his table 1869 6 of 8 The year the Law of Octaves was created 1863 7 of 8 The year that the triads were made 1817 8 of 8
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