Which scientist discovered that the atomic number, rather than the atomic weight, is more responsible for the properties of an element? (tragically this scientist died soon after as a soldier in wwi.) 1. millikin 2. moseley 3. st. augustine 4. rutherford 5. chadwick?
The correct option is Moseley who has discovered the atomic number.
Explanation:
In 1913, H. Moseley discovered a new properties of an element atomic number. He observed that elements in the periodic table can be arranged better according to atomic number rather than atomic mass.
The atomic number of any elements is always equal to numbers of electrons in it.
