- Physical Sciences
the ratio of the amount of a pure compound to the amount of substance containing that compound. (Can also be elements in a sample containing pure elements.)
temperature at which a substance changes phase from a liquid to a solid at a specific or fixed...
molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
if the equilibrium of a system is disturbed by a change in temperature, pressure or...