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In inorganic chemistry, Fajans' Rules, formulated by Kasimir Fajans, are used to predict whether a chemical bond will be covalent or ionic, and depend on the charge on the cation and the relative sizes of the cation and anion. They can be summarized in the following table:
Additional recommended knowledge
Polarization will be increased by:
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Fajans'_rules". A list of authors is available in Wikipedia.|