LithiumScience brain teasers require understanding of the physical or biological world and the laws that govern it.
A boy ran to tell his father that he had found a chunk of lithium in their backyard. He said that it was pure lithium and it was very shiny. His father said, "No son, you found something else." How did the father know without even coming to see?
AnswerLithium is an alkali metal. It is never found in pure form because it is so reactive. Also, pure lithium isn't shiny if it has been exposed to air for more than a few moments.
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