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igomit [66]
3 years ago
5

I need help with this​

Chemistry
1 answer:
Darya [45]3 years ago
5 0

Answer:

the answer is the last one , sorry if im wrong.

Explanation:

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A topaz crystal has an interplanar spacing (d) of 1.36 Å (1 Å =1×10^[−10] m). Calculate the wavelength of the X-ray that should
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7.0*10-11m or 70Å

Explanation:

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D

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Most of the X-rays are absorbed in which layer of Earth's atmosphere?
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