1 | explains atomic models. Examines the structure of the atom. |
2 | Explains the changing tendencies of periodic properties.
Among the periodic properties, metallic-nonmetallic, atomic radius, ionization energy, electron affinity and
Electronegativity concepts are explained. |
3 | It goes into and details the definitions of covalent, ionic, metallic, van der Waals radius. Examines the properties of elements in the periodic table at the atomic and molecular level. |