What is graphene?
A) A three dimensional layer of carbon atoms in a crystalline array.
B) A double layer of carbon atoms arranged in a diamond structure.
C) A single layer of carbon atoms arranged in a diamond structure.
D) A double layer of hexagonally arranged carbon atoms.
E) A single layer of hexagonally arranged carbon atoms.
Correct Answer:
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Q214: From what do silicates derive their strength?
A)
Q215: What is present in an aluminosilicate?
A) Al,
Q216: How is granite best described?
A) A common
Q217: From what are ortho-silicates built?
A) SiO22-
B) SiO24-
C)
Q218: What do chalk, marble,And limestone all have
Q220: Which mineral is a common form of
Q221: What are clays?
A) Aluminosilicates.
B) Types of
Q222: What is the end result of the
Q223: What components make up soda-lime glass?
A) Silica,
Q224: To what is the boron nitride structure
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