Question

State Moseley's law and its importance.

Answer 1

H.J moseley law is based on the atomic number..it is important because it solved the limitations of mendeleff periodic table..i.e.
1.anomolous pair of elements..(tellirium placed before iodine)
2.disimilar elements ( mn and cl ) placed together..

Answer 2

for an eliment the characteristic x ray spectrum 's peak value of frequency proportional to the atomic number of the eliment.