Question

The scientist who showed that the atomic number of an element is a more fundamental property than its atomic mass is:

A. Henry Moseley 

B. Johann Wolfgang Dobereiner 

C. John Newlands 

D. Dmitri Ivanovich Mendeleev

Answer 1

Moseley only proposed atomic number of an element is a more fundamental property than it’s atomic mass by doing this prediction of properties of elements could be done with more precision.