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Molecules is the leading international, peer-reviewed, open access journal of chemistry. Molecules is published semimonthly online by MDPI.
Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. Learn more about the properties and structures of molecules in this article.
A molecule is defined as an electrically neutral group of two or more atoms connected by chemical bonds. Here are examples of molecules and a look at the difference between a molecules, compounds, and ions.
A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. [4][5][6][7][8] In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used when referring to ...
Molecule Definition. A molecule is two or more atoms that 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.
A molecule is made up of atoms of one or more elements. For example, aluminum is a pure element whose molecule is made up of a single element. Likewise, a molecule of helium consists of a single atom of the element helium. On the other hand, an oxygen molecule is made up of two atoms of the element oxygen.
Learn about atomic structure and properties, including an introduction to compounds on Khan Academy.
A molecule is two or more atoms bonded together to form a single chemical entity. Each atom carries a certain number of electrons that orbit around the nucleus. The nucleus consists of protons and neutrons, of different numbers in different elements.
Molecules are made when two or more atoms chemically bond together. Atoms from different elements can combine. When the atoms are from different elements, the molecule can also be called a...
Why do some atoms join together to form molecules, but others do not? Why is the CO 2 molecule linear whereas H 2 O is bent? How can we tell? How does hemoglobin carry oxygen through our bloodstream?