- mirror nuclides
- mirror nuclides plural nounPairs of nuclides, one containing the same number of protons as the other has neutrons• • •Main Entry: ↑mirror
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Mirror nuclei — is a term that refers to two different elemental isotopes with atomic numbers having difference of one, but with the same combined number of protons and neutrons that is with same mass number . If the sum of the number of protons (Z) plus the… … Wikipedia
Nuclide — A nuclide (from nucleus) is an atomic species characterized by the specific constitution of its nucleus, i.e., by its number of protons Z, its number of neutrons N, and its energy state.[1] Thus, all nuclides are atoms that have at least one… … Wikipedia
radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… … Universalium
isomerism — /uy som euh riz euhm/, n. 1. Chem. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism), as CH3OCH3 and… … Universalium
Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… … Wikipedia
List of particles — This is a list of the different types of particles, known and hypothesized. For a chronological listing of subatomic particles by discovery date, see Timeline of particle discoveries. This is a list of the different types of particles found or… … Wikipedia
isomer — /uy seuh meuhr/, n. 1. Chem. a compound displaying isomerism with one or more other compounds. 2. Also called nuclear isomer. Physics. a nuclide that exhibits isomerism with one or more other nuclides. [1865 70; back formation from ISOMERIC] * *… … Universalium
Antimatter — For other uses, see Antimatter (disambiguation). Antimatter … Wikipedia
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia
Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ … Wikipedia