• History of periodic table
o Mendeleev Periodic table (1869)
o Henry Mosley Periodic table (1913)
• Physical properties
1.Atomic and Ionic radius
2.Metallic and Non metallic nature
3.Electropositive and electronegative nature
4.Ionisation energy
5.Electron affinity
6.Electronegativity
, History of the Periodic Table
o Mendeleev and Chemical Periodicity
o The physical and chemical properties of the elements are periodic functions of their
atomic mass
o Moseley and the Periodic Law
o The physical and chemical properties of the elements are periodic functions of their
atomic numbers
o Mendeleev Periodic table (1869)
o Henry Mosley Periodic table (1913)
• Physical properties
1.Atomic and Ionic radius
2.Metallic and Non metallic nature
3.Electropositive and electronegative nature
4.Ionisation energy
5.Electron affinity
6.Electronegativity
, History of the Periodic Table
o Mendeleev and Chemical Periodicity
o The physical and chemical properties of the elements are periodic functions of their
atomic mass
o Moseley and the Periodic Law
o The physical and chemical properties of the elements are periodic functions of their
atomic numbers
