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    •  Science >> Science Discoveries >  >> Chemistry
    Bromine Anion Valence Electrons: Understanding Br- Electron Configuration
    A bromine anion (Br-) contains 8 valence electrons. Here's why:

    * Neutral Bromine: Bromine (Br) is in Group 17 (also known as VIIA) of the periodic table, meaning it has 7 valence electrons.

    * Anion Formation: When bromine gains an electron to become an anion (Br-), it fills its outermost shell.

    * Full Octet: This gives the bromine anion a full octet of 8 valence electrons, making it more stable.

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