The best Lewis electron-dot symbol for the ion formed from Br (Bromine) would be Br-. This is because Bromine, which is in group 17 (also known as the halogens) on the periodic table, has 7 valence electrons. It tends to gain 1 electron to achieve a full outer shell of 8 electrons, which is a more stable configuration. When it gains an electron, it becomes negatively charged, hence the symbol Br-. The other options (Br3, Br2, Br) are not correct because they do not represent ions.

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The best Lewis electron-dot symbol for the ion formed from Br (Bromine) would be Br-. This is because Bromine, which is in group 17 (also known as the halogens) on the periodic table, has 7 valence electrons. It tends to gain 1 electron to achieve a full outer shell of 8 electrons, which is a more stable configuration. When it gains an electron, it becomes negatively charged, hence the symbol Br-. The other options (Br3, Br2, Br) are not correct because they do not represent ions.

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The best Lewis electron-dot symbol for the ion formed from Br (Bromine) would be Br-. This is because Bromine, which is in group 17 (also known as the halogens) on the periodic table, has 7 valence electrons. It tends to gain 1 electron to achieve a full outer shell of 8 electrons, which is a more stable configuration. When it gains an electron, it becomes negatively charged, hence the symbol Br-. The other options (Br3, Br2, Br) are not correct because they do not represent ions.

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Select the single best Lewis electron-dot symbol for the ion formed from Br: Br3 Br2 Br Br

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