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Introduction to Lewis Structures for Covalent Molecules
Lewis dot dragram for methane
Methane, with molecular formula CH4, is shown. The electrons are color-coded to indicate which atoms they belonged to before the covalent bonds formed, with red representing hydrogen and blue representing carbon. Four covalent bonds are formed so that C has an octet of valence electrons, and each H has two valence electrons—one from the carbon atom and one from one of the hydrogen atoms.
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