Chemistry
NULL
Medium
Question
Covalent network crystals have_____________?
A
higher melting point then molecular crystals
✓ Official correct answer
B
lower melting point then molecular crystals
C
discrete molecules linked by Van der waals forces
D
hydrogen bonding
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A
higher melting point then molecular crystals
No member explanations yet for this option.
B
lower melting point then molecular crystals
No member explanations yet for this option.
C
discrete molecules linked by Van der waals forces
No member explanations yet for this option.
D
hydrogen bonding
No member explanations yet for this option.
Explanation
Covalent network crystals have significantly higher melting points than molecular crystals, since strong covalent bonds must be broken throughout the entire structure to melt them.
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