Princeton's WordNet (2.25 / 4 votes) Rate this definition: unit of measurement, unit (noun). any division of quantity accepted as a standard of measurement or exchange. the dollar is the United States unit of currency; a unit of wheat is a bushel; change per unit volume. unit (noun).nit. 1. Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization. 2. An organization title of a subdivision of a group in a task force.
Oxygen can be found on most of the earth and is needed by many living beings. Our atmosphere is composed of about 20% oxygen. The element oxygen (O2) is found in water (H2O),â¦ which is made up of 2 parts Hydrogen and 1 part oxygen. It is also found in rust and metal ores, as well as in many different minerals. Another place is anywhere there are green plants or trees.
3 Atoms in a Water MoleculeThere are 3 total atoms in water, which is H2O. There are 2 hydrogen atoms (H), and 1 oxygen atom (O). See the Related Questions to the left for more information about the structure of water. 3 Atoms in a Water MoleculeThere are 3 total atoms in water, which is H2O. There are 2 hydrogen atoms (H), and 1 oxygen atom (O). See the Related Questions to the left for more information about the structure of water. Three; one oxygen and two hydrogen, thus H2O.