The Atmosphere is a term used to describe the mixture of different gasses that surrounds Earth.
Atom is a neutral particle having one nucleus, an unimaginably small particle that could not be made any smaller and still behaves as a chemical system.
The term Atom economy is one of the fundamental and most important principles of Green Chemistry.
ATOM ECONOMY CALCULATION
Atomic energy is a term used to describe the constitutive internal power of the atom, which was absorbed when formed.
Atomic mass unit is a term used to describe the mass of a neutral atom of a nuclide.