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.
Molecules are often defined as the smallest part of a chemical compound formed from the bonding of atoms of different elements, but a molecule can also consist of a bond between the same type of atom, such as two hydrogen atoms bonding to form a hydrogen (H2) molecule.