- actinoid series
- ряд актиноидов
English-russian dictionary of physics. 2013.
actinoid series
Смотреть что такое "actinoid series" в других словарях:
Actinoid — The actinoid (according to current IUPAC terminology; previously actinide) series encompasses the 15 chemical elements that lie between actinium and lawrencium included on the periodic table, with atomic numbers 89 103. [… … Wikipedia
actinoid — n. any of a series of radioactive chemical elements with atomic numbers 89 through 103 adj. having a radial form; star shaped; radiated … English contemporary dictionary
transuranium element — Any of the chemical elements after uranium in the periodic table (with atomic numbers greater than 92). All are radioactive (see radioactivity), with half lives ranging from tens of millions of years to fractions of a millisecond. Only two,… … Universalium
transition 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 … Universalium
Eka-actinium — can mean:*Unbiunium, first of the eka actinoid series *Untriennium, last of the eka actinoid seriesee also* Actinium * Eka radium mdash; Eka thorium … Wikipedia
mendelevium — /men dl ee vee euhm/, n. Chem., Physics. a transuranic element. Symbol: Md, Mv; at. no.: 101. [1950 55; named after D. I. MENDELEEV; see IUM] * * * ▪ chemical element (Md), synthetic chemical element of the actinoid series of the periodic… … Universalium
americium — /am euh rish ee euhm/, n. Chem. a transuranic element, one of the products of high energy helium bombardment of uranium and plutonium. Symbol: Am; at. no.: 95. [1945 50, Amer.; AMERIC(A) + IUM] * * * Synthetic radioactive chemical element,… … Universalium
einsteinium — /uyn stuy nee euhm/, n. Chem., Physics. a transuranic element. Symbol: Es; at. no.: 99. [1950 55; named after Albert EINSTEIN; see IUM] * * * ▪ chemical element (Es), synthetic chemical element of the actinoid series of the periodic table,… … Universalium
Glenn T. Seaborg — Born April 19, 1912(1912 04 19) Ishpeming, Michigan, USA … Wikipedia
Actinide concept — The actinide concept in nuclear chemistry was first theorized by Glenn T. Seaborg in 1944, resulting in the correction of Dmitri Mendeleev s periodic table of the elements by placing a new actinide series below the lanthanide series. In later… … Wikipedia
uranium — /yoo ray nee euhm/, n. Chem. a white, lustrous, radioactive, metallic element, occurring in pitchblende, and having compounds that are used in photography and in coloring glass. The 235 isotope is used in atomic and hydrogen bombs and as a fuel… … Universalium
