January 2020 NY Regents Chemistry Exam
34 Graphite and diamond are both solid forms of the element carbon. Which statement explains the different properties of these two forms of carbon?
(1) Diamond has ionic bonding and graphite has metallic bonding.
(2) Diamond has metallic bonding and graphite has ionic bonding.
(3) Diamond has a different crystal structure from graphite.
(4) Diamond has carbon atoms with more valence electrons than graphite.
Solution: The reason graphite and diamond have different properties if because of their different structures.
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