The electrons in the outermost energy level of an atom. The number of valence electrons vary from 1 to 8. These are the electrons that participate in chemical bonding. Vector Vectors are quantities that can be described when both their magnitude and direction are specified. Examples of vectors are velocity, force and momentum.
Dipole moment is also a vector quantity.
In science, work is a measure of the transfer of energy. It is expressed as a force acting through a distance. The unit of work can be in joules or calories . Zeolite Zeolite is a member of a group of hydrated aluminosilicate minerals which occur in nature and are also manufactured for their ion exchange properties. They are crystalline compounds composed of silicon , oxygen and some aluminum atoms.