Bonding Types and Physical Properties
A researcher claims that a substance must be ionic if it is hard and has a high boiling point. Which statement best identifies a flaw in the researcher’s claim?
A
The researcher made no mistake; ionic compounds are known for being hard with high boiling points.
B
Network covalent solids are also hard with high boiling points, not just ionic compounds.
C
Hardness and high boiling points are exclusive to metallic bonds.
D
Only ionic compounds are hard and have high boiling points.
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