Which substance has a giant covalent structure?
A.
sodium chloride
B.
sodium
C.
ethane
D.
diamond
Exam No：0620_s24_qp_11 Year：2024 Question No：7
Answer:
D
Knowledge points:
2.6.1. Describe the giant covalent structures of graphite and diamond
2.6.2.1. graphite as a lubricant and as an electrode
2.6.2.2. diamond in cutting tools
2.6.3. Describe the giant covalent structure of silicon(IV) oxide
2.6.4. Describe the similarity in properties between diamond and silicon(IV) oxide, related to their structures
Solution:
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