Respuesta :
Since you provide no options, Henry Moseley measured a property linked to Periodic Table position. After his revisions to the periodic table, Atomic number became more meaningful and the three pair of elements that seemed to be in the wrong order could be explained
The correct answer on edgenuit.y is
B) The revised periodic table could account for variations resulting from isotopes.
Sorry for the late answer but I hope this helps anybody else (: