Similarity: Both liquid water and steam at 100ºC are composed of molecules of water (H2O).
Difference: The particles in liquid water at 100ºC are held together by hydrogen bonds, while the particles in steam at 100ºC are not held together and are instead in a gaseous state.
explain a similarity and a difference between the particles in liquid water at 100ºC and the particles in steam at 100ºC.
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