Chemistry, 21.04.2020 02:31 mayapril813
Agate is a mineral that appears banded due to impurities in its chemical composition. Agate is a variety of the mineral, quartz. Quartz is composed of silicon dioxide (SiO2), which is one part silicon for every two parts of oxygen. Which statement correctly describes the extended structure of quartz?
A.
alternating layers of silicon and oxygen atoms
B.
one layer of silicon atoms under two layers of oxygen atoms
C.
a pattern of repeating subunits of silicon dioxide
D.
a single molecule of silicon dioxide
Answers: 3
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Agate is a mineral that appears banded due to impurities in its chemical composition. Agate is a var...
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