Elements in the periodic table that have three shells that are not filled with electrons. The shells are usually the outer three shells. Uranium and holmium are examples of inner transition elements. [..]

This is a solution for which the scientist knows the concentration of solute and solvent. More Information: Solutions

The actinide series is one of two series of inner transition elements. Elements 89 through 103 are a part of this series. The elements include uranium, berkelium, and nobelium. More Information: Actin [..]

Symbol:"Ac" Atomic Number:"89" Atomic Mass: 227.03amu. It is one of the elements in the actinide series of inner transition elements. It may also be classified as a [..]

When reactions proceed, a certain amount of energy is needed for the whole process to begin. The energy needed to get the reaction started (get it over the hump) is called the activation energy. The e [..]

Adhesion is one type of attraction force between the molecules of a substance and the container or another object. You stay wet when you get out of the bathtub because of adhesive forces. Some of the [..]

Alchemy is an ancient, non-scientific form of chemistry. In the middle ages, alchemists were people who tried to turn one element into another (usually lead (Pb) into gold (Au)). More Information: Che [..]

Symbol:"Al" Atomic Number:"13" Atomic Mass: 26.98amu. Aluminum is a light element and classified as a basic metal. There is more aluminum than any other metal in th [..]

Symbol:"Am" Atomic Number:"95" Atomic Mass: (243)amu. Americium is one of the elements in the actinide series of inner transition elements. It may also be classifie [..]

The amino group is a functional group with one nitrogen and two hydrogen atoms. You will find them on all of the amino acids. It can be synthesized from ammonia. More Information: Amino Acid Structure