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Heather Lindsay 1H wrote:How do we know to use a double headed arrow? When a bond breaks, are two electrons considered to be transferred?
Yes, for bond breaks two electrons are transferred and thus a double arrow is used.
Double-headed arrows are used to show the transfer of two electrons from one lace to another while a single-headed arrow is one. Generally, the only time a single-headed arrow will be used is when dealing with radicals. Double-headed arrows will be more common since they will result in the formation of more stable compounds.
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