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The general answer would be molecule however some molecules prefer to exists as paired molecules and subdividing them would alter some of its chemical properties: a good example of this would be the sugars.
The smallest unit of a pure substance that consists of two or more atoms held together by a chemical bond is a molecule.
Each chemical element has specific chemical and physical properties.
An atom is the smallest particle of a substance.
Molecules are the smallest part of a substance. Molecules have all the properties of a substance.
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 of the substance. An atom of an element may exhibit different characteristics when it is bound to other atoms of the same element. Examples are common oxygen (O2) and ozone (O3) with altered chemical properties. Or carbon as graphite (hexagonal lattice) and diamond (tetrahedral lattice), which demonstrate very different physical properties.
Molecule, or atom in the case of a pure elemental substance.
A molecule; the definition is: The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms; a group of like or different atoms held together by chemical forces.
The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms; a group of like or different atoms held together by chemical forces.
The general answer would be molecule however some molecules prefer to exists as paired molecules and subdividing them would alter some of its chemical properties: a good example of this would be the sugars.
The atom or smaller, the amount of protons like helium always has 2 protons no matter what.
The smallest unit of a pure substance that consists of two or more atoms held together by a chemical bond is a molecule.
This smallest unit of matter is the atom.
a molecule
Molecules
Molecules