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castortr0y [4]
4 years ago
15

A mineral is discovered that cleaves in parallel pieces that look like pages from a book?

Chemistry
1 answer:
Dmitrij [34]4 years ago
5 0
The mineral that you described is called Muscovite. The pages of the book description fits muscovite found in granite pegmatites where it is found in large crystals with a pseudohexagonal outline that are called "books".
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So, you can say that in a hydrogen atom, an electron located on  

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⋅

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−

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Explanation:

The question wants you to determine the energy that the incoming photon must have in order to allow the electron that absorbs it to jump from  

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to  

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.

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