Question

what is concept of henry moseley​

Answer 1

Henry Gwyn Jeffreys Moseley was an English physicist, whose contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic number

Answer 2

Answer:

Henry Moseley's work on X-ray spectroscopic studies of many elements showed that the characteristic frequency of X-ray emitted by an element was related to atomic number, Z, of the element and not the atomic mass. Thus atomic number was considered to be the fundamental property of atom which

modified Mendeleev's periodic law. This is called Modern periodic law.