Periodicity I Some Atomic Properties Relativistic Effects

Periodicity I Some Atomic Properties Relativistic Effects 

This chapter deals with the variations, across the periods and down the groups of the Periodic Table, of (i) the ionization energies, (ii) electron attachment energies (alternatively known as electron gain energies and electron affinities), (iii) atomic sizes and (iv) electronegativity coefficients of the elements. The influence of relativistic effects is introduced. 

The periodicity of the firet ionization energies of the elements The variations in successive ionizations energies The periodicity of the electron attachment energies of the elements 

Variations in atomic sizes across periods and down groups Variations in the sizes of ions The definitions of electronegativity coefficients Variations of electronegativity coefficients across periods and down groups 

Relativistic effects on electron energies and atomic sizes 

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