1.

What were the defects and anomalies in mendeleeff periodic table and how are they resolved by Moseley

Answer»

Answer:

  1. M.P.T couldnt assign CORRECT posit^n to hydrogen
  2. cobalt with higher atomic mass was placed before nickel
  3. mendeleeve IGNORED exact atomic mass of ELEMENTS to place them with elements of same PROPERTIES assuming that they were not PRECISE


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