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.
ï· Molecule: a group of atoms that are held together by chemical forces; a molecule is the. smallest unit of matter that can exist by itself and retain all of a substanceâs chemical. properties. ï· Ion: an atom, radical or molecule that has gained or lost one or more electrons and has a.