- Periodic Law
MODERN PERIODIC TABLE:-
Mendeléev’s Periodic Law was modified and atomic number was adopted as the basis of Modern Periodic Table.
Properties of elements are a periodic function of their atomic number.
Prediction of properties of elements could be made with more precision when elements were arranged on the basis of increasing atomic number.
Shaalaa.com | Periodic Classification of Elements part 10 (Merits modern table)
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?