Water molecules freeze in a hexagonal pattern and the molecules are further apart than they were as liquid water. Water is unusual because its molecules move further apart when it freezes. The ...

is only true for gases in consequence of the freedom of movement the molecules possess in this state of matter. In connection with the problem of the colour of the sea and of deep waters generally ...

The water molecules that evaporate become a gas called water vapor. Only the water evaporates, leaving the sodium and chloride ions behind. The sodium and chloride ions attract each other and re-form ...

A team of researchers has uncovered a previously unknown phenomenon that could improve the way we design materials at the ...