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It is also important to note that when counting electrons, negative ions should have extra electrons placed in their Lewis structures and positive ions should have less electrons than the uncharged molecule. After the Lewis structure of the ion is written, place the entire structure in brackets, and write the charge as a superscript on the upper right, outside of the brackets.
RoopshaChatterjee 1G wrote:Can Lewis structures be used to construct the molecular structure of the element?
So Lewis Structures tell you the valence electron # of the atoms, so it can help tell you the position the atom has in a molecule. So because molecular structures are dependent on the spatial orientation of covalent bonds, drawing out the Lewis structure can help.
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