# Why is FeCl3 covalent? [duplicate]

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There is an electronegativity difference of 1.2 between $\ce{Fe}$ and $\ce{Cl}$. Then why it is covalent?

## marked as duplicate by NotEvans., Mithoron, Tyberius, Todd Minehardt, JanSep 17 '17 at 3:07

• Electronegativity alone can't tell you everything. For example, $\ce{MnO}$ is mostly ionic, while $\ce{Mn2O7}$ is markedly covalent. – Ivan Neretin Feb 23 '17 at 13:42