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.
Compound - substances whose molecules have more than one kind of atom Element - pure substance; made up of only one kind of atom Compound - substances whose molecules have more than one kind of atom Atoms - basic units of matter Molecules - a group of atoms bound together in a group