When rock salt is used on our sidewalks and roads, there is science happening at the molecular level. Dr. Xavier Prat-Resina ...
In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds. There are a total of 10 protons and 10 electrons, so the water molecule is neutral. The electron cloud model ...
There is not much difference in the amount of salt that dissolves in the hot and cold water. Sucrose has many O–H bonds which are polar. The same amount of sugar is added to hot and cold water. More ...
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