isotone

/uy"seuh tohn'/, n. Physics.
one of two or more atoms having an equal number of neutrons but different atomic numbers.
[1930-35; ISO- + TONE]

* * *

      any of two or more species of atoms or nuclei that have the same number of neutrons. Thus, chlorine-37 and potassium-39 are isotones, because the nucleus of this species of chlorine consists of 17 protons and 20 neutrons, whereas the nucleus of this species of potassium contains 19 protons and 20 neutrons.

* * *


Universalium. 2010.

Look at other dictionaries:

  • isotone — ● isotone adjectif (grec isotonos) Se dit des stimuli de couleurs qui ont même longueur d onde dominante. Se dit des nucléides qui possèdent le même nombre de neutrons, mais un nombre différent de protons. isotone [izoton; izɔtɔn] adj. ÉTYM. 1934 …   Encyclopédie Universelle

  • isotone — [ī′sə tōn΄] n. [ ISO + TONE] any atom with the same number of neutrons as another atom but a different atomic number …   English World dictionary

  • isotone — izotonas statusas T sritis fizika atitikmenys: angl. isotone vok. Isoton, n rus. изотон, m pranc. isotone, m …   Fizikos terminų žodynas

  • Isotone — This article is about a concept in nuclear physics. For biochemistry see isotonic. For the mathematical meaning, see monotone. Two nuclides are isotones if they have the same number N of neutrons. For example, Boron 12 and Carbon 13 both have 7… …   Wikipedia

  • Isotone — Die Nuklide zweier unterschiedlicher chemischer Elemente (damit auch von unterschiedlicher Kernladungszahl) werden Isotone genannt, wenn ihre Atomkerne die gleiche Anzahl von Neutronen haben. Das Wort Isoton ist ein Kunstwort, das von Isotop… …   Deutsch Wikipedia

  • Isotone — Iso|to|ne 〈Pl.〉 Atomkerne, die die gleiche Anzahl von Neutronen bei verschiedener Protonenzahl besitzen * * * Isotone   [zu griechisch tónos »das Spannen«, »Anspannung«], Singular Isoton das, s, Atomkerne mit gleicher Neutronenzahl N, aber… …   Universal-Lexikon

  • Isotone — Sommaire 1 Définition 2 Exemple 3 Voir aussi 4 Ne pas confondre avec Définition Se dit d atomes (ou d éléments) possédant un nombr …   Wikipédia en Français

  • isotone — См. isosyntagme …   Пятиязычный словарь лингвистических терминов

  • isotone — noun either of a number of nuclides of different elements that have the same number of neutrons See Also: isotonic …   Wiktionary

  • isotone — One of several nuclides having the same number of neutrons in their nuclei; e.g., K and Ca with 20 each, Fe and Ni with 30 each. [iso + G. tonos, stretching, tension] * * * iso·tone ī sə .tōn n one of two or more nuclides having the same number… …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.