one molecule
The smallest unit of a compound is a molecule (MOLL-uh-kule)
molecule
It is an atom.
particles called atoms are the smallest unit. Several atoms combine to make a molecule and molecules are what form substances such as water
A molecule is the smallest unit of a pure substance that can exist and still retain its chemical properties. An atom is the smallest unit of an element that can exist and still retain its chemical properties.
A molecule is the smallest unit with the characteristic properties of a molecular substance, i.e., one joined by covalent bonds. A single atom is the smallest unit with the characteristic properties of an elemental substance.
An atom. Anything smaller is an atomic particle from which all elements are made.An atom is the smallest particle of an element that has properties of that element.An atom is the smallest unit of an element that retains the properties of that element.
Smallest unit of a compound is a molecule.
If it is a molecular compound, the smallest unit is called a molecule. If it is an ionic compound, the smallest unit is called a formula unit.
Smallest unit of a compound is a molecule.
An atom is the smallest unit of matter that can enter into a chemical combination.
Smallest unit of a compound is a molecule.