Question

State Moseley's 'law. What is its importance?

Answer 1

Moseley's law is a law concerning the characteristic x-rays that are emitted by atoms.

Importance :Moseley's formula, not only established atomic number as a measurable experimental quantity, but gave it a physical meaning as the positive charge on the atomic nucleus .

Answer 2

Moseley's law is an empirical lawconcerning the characteristic x-rays that are emitted by atoms. The law was discovered and published by the English physicist HenryMoseley in 1913. ... In brief, the law states that the square root of thefrequency of the emitted x-ray is proportional to the atomic number