File:PTCDA_AFM.jpg · Wikimedia Commons · See Wikimedia Commons
A molecule is the smallest unit of a substance that retains its chemical properties, made up of atoms bonded together—as shown in microscope images of molecules like PTCDA (with five carbon rings) and pentacene (with five linked carbon rings). Molecules matter because they are the basic building blocks of all matter around us, determining the properties and behavior of the materials and substances we interact with every day.
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Wikidata facts
- Subclass of
- molecular entity
- Has part
- covalent bond
- Named after
- mole
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- Commons category
- Molecules
- topic's main category
- Category:Molecules
- opposite of
- ion
- studied by
- molecular biology
- has characteristic
- molecular configuration
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- does not have characteristic
- electric charge
Sources (8)
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Article · 日本語
分子(ぶんし、英: molecule)とは、2つ以上の原子から構成される電荷的に中性な物質を指す。厳密には、分子は少なくとも1つ以上の振動エネルギー準位を持つほどに充分に深いエネルギーポテンシャル表面のくぼみを共有する原子の集まりを指す。ほとんどの原子は、同種あるいは異なる原子と化学結合により結びついて分子を形成する。 希ガスのように、単原子で安定な化学種を単原子分子と呼ぶことがある。2個の原子から成る分子は二原子分子、3個以上の原子から成る分子は多原子分子と呼ばれる。分子から電子が付加、あるいは脱離したイオンは分子イオンと呼ばれる。
Abstract from DBpedia / Wikipedia · CC BY-SA
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