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Animal Life
Chemical Bonding

Why is the bond between H and F is not ionic but the electronegativity difference is 1.9?

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May 30, 2009 6:02PM

The bond between hydrogen and fluorine is not a covalent bond. When hydrogen bonds with oxygen, nitrogen, or fluorine, then it is called a hydrogen bond. Hydrogen bonds will be stronger than a regular covalent bond, so the electronegativity difference will be higher.