Chemistry, 06.12.2020 17:40 LilFlamingo247
33. Silicon carbide, Sic, has a structure similar to diamond. Boron nitride, BN, has a structure
similar to graphite. Bronze is an alloy of copper.
Which statements about silicon carbide, boron nitride and bronze are correct?
I All of these substances are bonded covalently.
II All of these substances have high melting points.
III Boron nitride and bronze can conduct electricity in solid state but not pure
silicon carbide.
A II
B I, II
C I, III
D II, III
Answers: 1
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33. Silicon carbide, Sic, has a structure similar to diamond. Boron nitride, BN, has a structure
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