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• The transfer of the electron gives chlorine an octet and leaves potassium with an octet in the previous principal shell, which is now the valence shell.
• The potassium, because it lost an electron, becomes positively charged, while the chlorine, which gained an electron, becomes negatively charged.
• The positive and negative charges attract one another, forming the compound KCl.
• The Lewis structure of an anion is usually written within brackets with the charge in the upper right corner (outside
• the brackets).
• The charges are shown, but the brackets are not shown in the homework drawing program online.