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The scattering of light by colloidal particles.

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Capillary Action

The drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces, or the depression of the surface of the liquid when cohesive forces exceed the adhesive forces.

Free Energy Change

The indicator of spontaneity of a process at constnt T and P. If delta-G is negative, the process is spontaneous.

Varieties of garnet minerals

The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in elite jewelry.

Integrated Rate Equation

An equation giving the concentration of a reactant remaining after a specified time, has different mathematical form for different orders of reactants.

Salt and its use in everyday life

Cooking salt is a product that is available in every kitchen, and it’s not as simple as it seems. The history of this product shows that it was valued like gold.

Exothermicity

The release of heat by a system as a process occurs.

Graham's Law

The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densities.

Fast Neutron

A neutron ejected at high kinetic energy in a nuclear reaction.

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Ternary Compound

A compound consisting of three elements, may be ionic or covalent.