The charge-density model shows the positive areas near the hydrogen atom as blue and the negative area near the oxygen atom as red. The sugar molecules are attracted and held together in a crystal by ...

Since the water is the same throughout an entire sample, the density is the same for any amount of water. Water molecules have the same mass and size. They are packed close together but are always ...

the variation in space and time of temperature and salinity are also important water mass tracers that can be used to map the ocean circulation. Density is usually calculated using a mathematical ...