Because the molecules are more closely spaced, the solid occupies less space than the same substance when it is in a gaseous state.
The chemical formula is OH-
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Answer:
Copper does not react with water because the oxygen in water is locked into a compound with one part oxygen and two parts hydrogen. Copper oxide is a compound from the two elements copper and oxygen. Copper in moist air slowly acquires a dull green coating (patina) because its top layer has oxidised with the air.
Explanation: