Chemistry 0620 · IGCSE · Giant covalent structures

Giant covalent structures — practice question

Diamond and graphite are two different solid allotropes of carbon. In diamond and graphite, the carbon atoms are bonded together in different arrangements.
(a)[1]

State the number of covalent bonds made by each carbon atom in diamond.

(b)[1]

State the term that describes the structure of diamond.

(c)[1]

Name an oxide that has a structure similar to diamond.

(d)[2]

Describe how the atoms are arranged in graphite.

(e)[1]

Explain why graphite can conduct electricity.

(f)[1]

Determine the number of carbon atoms present in one molecule of Buckminsterfullerene.

(g)[1]

Name the substance used to test for carbon dioxide.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: 4 covalent bonds

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