Development of the Periodic Table 0.0 / 5 ? ChemistryThe Periodic TableGCSEAQA Created by: Overfront64Created on: 05-11-18 21:59 Johann Doberiner Arranged elements in triads - Could predict elements properties using his triads. 1 of 5 John Newlands Arranged elements in order of atomic mass - Discovered every 8th element had similar properties (law of octaves). 2 of 5 Dimitri Mendeleev Arranged using atomic mass, left gaps for undiscovered elements 3 of 5 Henry Mosley Used atomic number instead of mass to arrange his table, knowledge of isotopes gave evidence to support this. 4 of 5 In chronological order, which order do these scientists come in? Johann Doberiner, John Newlands, Dimitri Meneleev, Henry Mosley 5 of 5
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