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  • Lewis Dot Structure of Hydrogen Fluoride (HF): A Step-by-Step Guide
    Here's how to draw the Lewis dot structure for hydrogen fluoride (HF):

    1. Determine the number of valence electrons:

    * Hydrogen (H) has 1 valence electron.

    * Fluorine (F) has 7 valence electrons.

    2. Arrange the atoms:

    * Hydrogen is less electronegative than fluorine, so it will be the central atom.

    * However, since hydrogen can only form one bond, fluorine will essentially be the central atom in this case.

    3. Connect the atoms with a single bond:

    * Draw a single line between the hydrogen and fluorine atoms, representing a shared pair of electrons.

    4. Distribute remaining valence electrons as lone pairs:

    * Fluorine needs 8 electrons to complete its octet. It already has 2 electrons from the bond, so add 6 more as three lone pairs around the fluorine atom.

    5. The final Lewis structure:

    ```

    H - F

    :

    :

    :

    ```

    Important Note: The lone pairs are often represented by dots, but in this case, the colons are used to indicate the presence of the electron pairs.

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