The Image Shows Bonding for Diamond on the Left) and Graphite

question 48

Multiple Choice

The image shows bonding for diamond on the left) and graphite on the right) . Both minerals are made of carbon, so why do they have very different properties why is diamond so hard while graphite is so soft) ?

• A) Covalent bonds in both minerals are very strong, but intermolecular bonds between sheets in graphite are very weak.
• B) Graphite's mixture of covalent and intermolecular bonds is stronger than the solely covalent bonds within diamond.
• C) Diamond has a different type of covalent bonds between the atoms of carbon than does graphite.
• D) Minerals with only one type of bond will always be harder than minerals that have two different types of bonding.

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