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Periodic Table Trends Study Guide
Periodic Table Trends Study Guide

Periodic Table Trends

Atomic radius = Total distance from an atom’s nucleus to the outermost orbital occupied by an electron.
Atomic radius increases from right to left and down on the Periodic Table.

Ionization energy = Amount of energy needed to remove an electrons from an atom.
Ionization energy increases up and to the right on the Periodic Table.

Electronegativity = Measures the attraction of an atom to electrons in a bond. Electronegativity increases up and to the right on the Periodic Table. The most electronegative element is fluorine. Elements in group 18 do not have electronegativity values since they have a full octet.

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