Physical Periodicity - Application of 1st Ionisation Energy trend

The periodic table often provides us with much information, such as reactivity and physical properties of the different elements. The grouping of these elements is really an enlightened and detailed classification of the numerous elements found on earth.

In physical periodicity, much is mentioned about the trends in physical properties along a period. The following video aims to show how the first ionisation energy trend can be used to predict an unknown species which is found on a nth ionisation energy trend. You will be pleasantly surprised by the pattern(s) that we can observe from trends in the ionisation energies.

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^{Article written by Kwok YL 2011.}

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