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Element
The smallest unit of a pure substance that consists of two or more atoms held together by a chemical bond is a molecule.
A molecule is 2 or more atoms clinging together in some fashion. The molecule can be simple, that is, the same substance as the atoms, or it can be compound, that is, the atoms are different, and are of a different substance as the atoms.
No. Atoms contain protons, neutrons and electrons. An element is a substance consiting of atoms with the same number of protons. A molecule is a particle consisting of two or more atoms covalently bonded to one another.
Compound or substance: a molecule containing two or more types of chemical elements.
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No two elements have the same number of protons.
Element
The smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms is a molecule.
a substance which contains two or more type of atoms is a compound as HCl,H2O, C6H6.H2SO4 etc.
A substance composed of two or more atoms of the same element is just a pure substance/element, a substance composed of different atoms is called a compound
The smallest unit of a pure substance that consists of two or more atoms held together by a chemical bond is a molecule.
A molecule is 2 or more atoms clinging together in some fashion. The molecule can be simple, that is, the same substance as the atoms, or it can be compound, that is, the atoms are different, and are of a different substance as the atoms.
It would be an atom or a molecule (made up of more than one atoms)