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February 1, 2015

Homework Help: Science

Posted by Sheryl on Saturday, October 22, 2011 at 12:49am.

Lithium atoms, like hydrogen atoms, have only a single electron in their outer shells, yet lithium atoms do not join together to form Li2 molecules the way hydrogen atoms form H2 molecules. Instead, lithium is a metal with each atom part of a crystal structure. Can you think of the reason for this difference?

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