molecule in the Chemistry topic by Longman Dictionary of Contemporary English | LDOCE | What you need to know about Chemistry: words, phrases and expressions | Chemistry
1.the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2.a quantity of a substance, the weight of which is numerically equal to the molecular weight; gram molecule. ...
Molecule Definition A molecule is two or moreatomsthat form chemical bonds with each other, representing the smallest unit of a chemical compound with all the physical and chemical properties of the compound. It doesn't matter if the atoms are the same or are different from each other. Example...
Molecule definition: the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.. See examples of MOLECULE used in a sentence.
Compound Versus Molecule Sometimes a compound is called amolecule. Usually, the two terms are synonymous. Some scientists make a distinction between the types of bonds in molecules (covalent) and compounds (ionic).
Atoms of same element or different elements can join together to form molecules The molecules of an element are constituted by the same type of atoms Molecules of many elements are having only one atom. Eg. Helium, argon, neon In most non metals, the molecule contains more than one element...
Mole, standard unit (6.02214076 x 10^23) in chemistry for measuring large quantities of very small entities such as atoms, molecules, or other specified particles. The number of units in a mole also bears the name Avogadro’s number, or Avogadro’s const
(Chem.) A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; (physics and chemistry) the simplest structural unit of an element or compoundGoogle...
protein molecule - any large molecule containing chains of amino acids linked by peptide bonds building block, unit - a single undivided natural thing occurring in the composition of something else; "units of nucleic acids" atom - (physics and chemistry) the smallest component of an element havin...
This is the definition of formal charge as the term is used in chemistry. The equation used to calculate the formal charge is provided.