Anna stated that ionic compounds have high melting points and low boiling points. She said that this demonstrates that ionic compounds have strong bonds because a lot of energy is needed to break the electrical forces that hold the bonds together.Which statement best describes Anna’s error?
Answer
A
Strong electrical forces will make ionic compounds have high boiling points.
B
Strong electrical forces will make ionic compounds have weak bonds.
C
A low amount of energy is needed to break the bonds in ionic compounds.
D
Gravitational forces hold the bonds together in ionic compounds.
Explanation
Ionic compounds are held together by strong electrical attractions between oppositely charged ions. A large amount of energy is needed to overcome these attractions, so ionic compounds generally have both high melting points and high boiling points. Anna’s error is saying their boiling points are low; strong electrical forces make boiling points high.
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