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Question

In which state will the elementary forms of boron and silicon exist in?

A
Crystalline
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B
Amorphous
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C
Do not exist
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D
Natural form
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Solution

The correct options are
A Crystalline
B Amorphous
Both boron and silicon exists in crystalline and amorphous forms. Amorphous boron is a brown powder, while crystalline boron is silvery to black.

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