Diamond and graphite are both made of carbon. However, diamond is much harder than graphite. Which of the following statements best explains the difference between diamond and graphite?
A.
Graphite has free electrons present and diamond does not.
B.
Diamond has a more rigid structure than graphite.
C.
Graphite is made of a different carbon isotope than diamond.
D.
Diamond is a denser material than graphite.
Answers: 3
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