Question

what is modern periodic table answer in points pls

Answer 1

the physical and chemical properties of elements are pereodic function of their atomic number
modern pereodic table is arranged on the basis of increasing atomic number
position of isotopes in modern lereodic table are different position it is fixed in one position
it is divided in group and period

Answer 2

1.Elements are arranged in the order of increasing atomic number
2.Horizontal rows are called periods
3.Vertical columns are called groups.
4.Elements in modern periodic table are arranged in 7 periods and 18 groups.
this will help you....