What element are diamonds and graphite composed of?

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Multiple Choice

What element are diamonds and graphite composed of?

Explanation:
Diamonds and graphite are both forms of carbon. They illustrate how a single element can exist as different allotropes, leading to very different properties. In diamond, carbon atoms bond in a strong three-dimensional network (sp3 hybridization), making it incredibly hard. In graphite, carbon forms layered two-dimensional sheets (sp2 hybridization) with weaker forces between layers, so it’s soft and slippery. The common thread is pure carbon, though trace impurities can occur. The other elements listed do not make up these forms of carbon, so they’re not correct.

Diamonds and graphite are both forms of carbon. They illustrate how a single element can exist as different allotropes, leading to very different properties. In diamond, carbon atoms bond in a strong three-dimensional network (sp3 hybridization), making it incredibly hard. In graphite, carbon forms layered two-dimensional sheets (sp2 hybridization) with weaker forces between layers, so it’s soft and slippery. The common thread is pure carbon, though trace impurities can occur. The other elements listed do not make up these forms of carbon, so they’re not correct.

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