What is modern periodic law?

State modern periodic law.

Who gave modern periodic law ?

What is the basic difference in approach between the Mendeleev's periodic law and the modern periodic law ?

What is the basis of modern periodic table?

An element has the electronic configuration 2,8,3 what is its group number in modern periodic table?

What is heat period?

What is laying period?

What were the two major shortcomings of meneleev's periodic table? How have these been removed in the modern periodic table?

Compare and contrast the arrangement of elements in mendeleev's periodic table and the modern periodic table?

Indicate the group number and period number of phosphorous in the modern periodic table