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Write Lewis dot symbols for atoms of the...

Write Lewis dot symbols for atoms of the following elements: `Mg`,`Na`,`B`,`O`,`N`,`Br`.

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To write the Lewis dot symbols for the atoms of the elements magnesium (Mg), sodium (Na), boron (B), oxygen (O), nitrogen (N), and bromine (Br), we will follow these steps: ### Step 1: Determine the number of valence electrons for each element. - **Magnesium (Mg)**: Atomic number = 12. Electronic configuration = 1s² 2s² 2p⁶ 3s². Valence electrons = 2. - **Sodium (Na)**: Atomic number = 11. Electronic configuration = 1s² 2s² 2p⁶ 3s¹. Valence electrons = 1. - **Boron (B)**: Atomic number = 5. Electronic configuration = 1s² 2s² 2p¹. Valence electrons = 3. - **Oxygen (O)**: Atomic number = 8. Electronic configuration = 1s² 2s² 2p⁴. Valence electrons = 6. - **Nitrogen (N)**: Atomic number = 7. Electronic configuration = 1s² 2s² 2p³. Valence electrons = 5. ...
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