What is the basic difference in approach between the Mendeleev's Periodic Law and the Modern Periodic Law ?

What is the basic difference in approach between the Mendeleev's Perio

1.	What is the basic difference in approach between the Mendeleev's Periodic Law and the Modern Periodic Law ?
Answer» Solution :According to Mendeleev.s PERIODIC law, the physical and CHEMICAL properties of the lements are periodic function of their ATOMIC weight. On the other HAND, according to modem periodic law the properties are periodic function of their atomic umbers.