- even-a isotopes
- • изотоп с четно А
English-Bulgarian polytechnical dictionary . 2013.
even-a isotopes
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Isotopes of plutonium — Plutonium (Pu) has no stable isotopes. A standard atomic mass cannot be given.Decay modesTwenty plutonium radioisotopes have been characterized. The most stable are Pu 244, with a half life of 80.8 million years, Pu 242, with a half life of… … Wikipedia
Isotopes of technetium — Technetium (Tc) is one of the two elements in the first 82 that have no stable isotopes (in fact, it is the lowest numbered element that is exclusively radioactive); the other such element is promethium. [ LANL Periodic Table , Technetium… … Wikipedia
Isotopes of cobalt — Naturally occurring cobalt (Co) is composed of 1 stable isotope, 59Co. 28 radioisotopes have been characterized with the most stable being 60Co with a half life of 5.2714 years, 57Co with a half life of 271.79 days, 56Co with a half life of 77.27 … Wikipedia
Isotopes of molybdenum — There are 33 known isotopes of molybdenum (Mo) ranging in atomic mass from 83 to 115, as well as four metastable nuclear isomers. Seven isotopes occur naturally, with atomic masses of 92, 94, 95, 96, 97, 98, and 100. Of these naturally occurring… … Wikipedia
Isotopes of potassium — Potassium (K) has 24 known isotopes. Three isotopes occur naturally: 39K (93.3%), 40K (0.012%) and 41K (6.7%). The standard atomic mass is 39.0983(1) u. Naturally occurring 40K decays to stable 40Ar (11.2%) by electron capture and by positron… … Wikipedia
List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… … Wikipedia
List of elements by stability of isotopes — This is a list of the chemical elements and their isotopes, listed in terms of stability. Atomic nuclei consist of protons and neutrons, which attract each other through the strong nuclear force, while protons repel each other via the electric… … Wikipedia
Isotope — This article is about the atomic variants of chemical elements. For the British jazz fusion band, see Isotope (band). Isotopes redirects here. For the minor league baseball team, see Albuquerque Isotopes. Isotopes are variants of atoms of a… … Wikipedia
isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… … Universalium
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium … Wikipedia
