Half of this distance is considered to be the radius of the atom.ġ Angstrom = 102 pm Atomic radius trends in the periodic tableĪtomic radii vary systematically in the periodic table. The techniques have been deployed which can measure the distance between the center of two adjacent atoms of any element. Hence, the atomic radius will also be changed. For example, if the neighboring atom is electronegative in nature then it will pull the electron more towards itself. The distribution of electrons is affected by the neighboring atoms. The reason is that the probability for finding the electron never becomes zero even if the electron is at a large distance from the nuclear. There are no sharp boundaries for the atomic orbital. The precise measurement of the size of the atom is difficult because of the following reason. It is of worth importance to know about The variation of different physical and chemical properties in the modern periodic table including groups and periods is known as the periodicity of properties. Periodic trends in the modern periodic table are the basics of chemistry. Trend of melting and boiling points in group.Variation of melting and boiling point in a group.Graphical explanation melting and boiling point in periods.Trend of melting and boiling point in periods.Periodic Trends of melting and boiling point.Non-metallic character trend in periodic table.Metallic character trend in the periodic table.Metallic character trend in periodic table.Factors affecting the electron affinity.Electron affinity trend in periodic table.Graphical explanation of ionization energy.Variation of ionization energy values in the periodic table.Factors affecting the ionization energy values.Ionization energy trend in the periodic table.Graphical representation of atomic radii.Comparative study of ionic radii vs atomic radii.Ionic radius trends in the periodic table.Atomic radius trends in transition elements.
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