symbol element
21chemisches Element — Element * * * che|mi|sches E|le|mẹnt [↑ Element] allg. Symbol: (in Formeln:) E: ein mit chemischen Mitteln nicht weiter zerlegbarer Stoff aus gleichartigen, allenfalls in ihrer Neutronenzahl (↑ Isotope), nicht aber ihrer ↑ Protonenzahl… …
22Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …
23transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …
24Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
25List of chemical element name etymologies — This is the list of etymologies for all chemical element names: Name Symbol Language of origin Word of origin Meaning Symbol origin Description Actinium Ac Greek ἀκτίς (aktis) beam Greek aktinos ἀκτίς, ἀκτῖνος (aktis; aktinos), meaning beam (ray) …
26oxygen group element — ▪ chemical element Introduction also called chalcogen, any of the five chemical elements making up Group 16 (VIa) of the periodic classification namely, oxygen, sulfur, selenium, tellurium, and polonium. (See Figure >.) A relationship among… …
27Classical element — For other uses of 4 elements, see Four elements (disambiguation). For other uses of 5 elements, see Five elements (disambiguation). Many philosophies and worldviews have a set of classical elements believed to reflect the simplest essential parts …
28Synthetic element — In chemistry, a synthetic element is a chemical element that is too unstable to occur naturally on Earth, and therefore has to be created artificially. So far 30 synthetic elements have been discovered that is, synthesized. Six of them are quasi… …
29Primitives Element — In diesem Glossar werden kurze Erklärungen mathematischer Attribute gesammelt. Unter einem Attribut wird eine Eigenschaft verstanden, die einem mathematischen Objekt zugesprochen wird. Ein Attribut hat oft die Form eines Adjektivs (endlich, offen …
30Air (élément classique) — Quatre éléments Pour les articles homonymes, voir Élément. Les quatres éléments. Gravure de l ouvrage Daniel Stolz von Stolzenberg …
