Welcome to the International Home Care Nurses Organization. The International Home Care Nurses Organization is a world-wide network of nurses interested in promoting excellence in home-based healthcare throughout the world. We strive to achieve this goal through three initiatives:
The definition of a molecule is the smallest amount of something, particularly of a chemical substance, that can exist on its own. An example of a molecule are two atoms of hydrogen.
Definition. 1  The molecule must be cyclic. 2  The molecule must be planar. 3  The molecule must have a complete conjugated Ï-electron system within the ring. 4  The molecule must have 4n Ï-electrons where n is any integer within the conjugated Ï-system.