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OpenStudy (anonymous):
H2O expands when it changes into solid. Please tell me another example like H2O.
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OpenStudy (aaronq):
silicon
OpenStudy (anonymous):
Any kind of metal.
OpenStudy (anonymous):
Arsenic, bismuth, gallium, germanium, and silicon. If the pressure is high enough for liquid carbon to exist, diamond will float on it.
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