A. Al2O3
B. Na2O
C. P4O10
D. SiO2
Correct Answer:
Option D = SiO2
Explanation
– Silicon dioxide is an example of a substance with a giant covalent structure . It contains many silicon and oxygen atoms. All the atoms in its structure are linked to each other by strong covalent bonds. The atoms are joined to each other in a regular arrangement, forming a giant covalent structure.
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