A mononuclidic element or monotopic element is one of the 21 chemical elements that is found naturally on Earth essentially as a single nuclide (which...

Radionuclide Mononuclidic element Stable isotope List of elements by stability of isotopes N. E. Holden, "Standard Atomic Weight Values for the Mononuclidic Elements...

half-life Table of nuclides Isotope geochemistry Radionuclide Mononuclidic element Monoisotopic element Stable isotope List of nuclides List of elements by stability...

all stable elements with an even atomic number, a monoisotopic and mononuclidic element. Radioactive cosmogenic 10Be is produced in the atmosphere of the...

half-life) Table of nuclides Alpha nuclide Monoisotopic element Mononuclidic element Primordial element Radionuclide Hypernucleus IUPAC (1997). "Nuclide"....

(IUPAC) reclassified thorium as a binuclidic element in 2013; it had formerly been considered a mononuclidic element. Thorium has three known nuclear isomers...

current form since the formation of the planet. It is therefore a mononuclidic element and its standard atomic weight is virtually the same as that of the...

nuclides in order of stability, all with half-lives over one hour) Mononuclidic element Periodic table Primordial nuclide Radionuclide Stable isotope ratio...

than trace quantities; therefore, fluorine is a monoisotopic and mononuclidic element. The longest-lived radioisotope is 18 F ; it has a half-life of 109...

which have only one significant naturally-abundant nuclide (compare: mononuclidic element for the proton numbers) are: 0, 2, 3, 4, 9, 11, 13, 15, 17, 21, 23...

Co, consists of a single stable isotope, 59Co (thus, cobalt is a mononuclidic element). Twenty-eight radioisotopes have been characterized; the most stable...

nuclide. As such, beryllium is considered a monoisotopic element. It is also a mononuclidic element, because its other isotopes have such short half-lives...

small to affect atomic weight measurements; iodine is thus also a mononuclidic element—one that is found in nature only as a single nuclide. Most 129I derived...

isotopes List of radioactive nuclides by half-life Monoisotopic element Mononuclidic element Primordial nuclide Radionuclide Stable nuclide Table of nuclides...

stable and naturally occurring isotope, 141Pr. It is thus a mononuclidic and monoisotopic element, and its standard atomic weight can be determined with high...

the case of many elements that have one naturally occurring isotope (mononuclidic elements) or one dominant isotope, the difference between the atomic...

too short to be primordial. As such, iodine is both monoisotopic and mononuclidic and its atomic weight is known to great precision, as it is a constant...

its only naturally occurring isotope, so gold is both a mononuclidic and monoisotopic element. Thirty-six radioisotopes have been synthesized, ranging...

so-called mononuclidic elements, having a single primordial stable isotope that dominates and fixes the atomic weight of the natural element to high precision;...

between samples. For this reason, the relative atomic masses of the 22 mononuclidic elements (which are the same as the isotopic masses for each of the single...

depends on neutron activation of bulk samples of the monoisotopic and mononuclidic cobalt isotope 59 Co . Measurable quantities are also produced as a by-product...

terbium is composed of its only stable isotope, terbium-159; the element is thus mononuclidic and monoisotopic. Thirty-six radioisotopes have been characterized...

can be safely handled and have the two highest atomic masses among the mononuclidic elements that are stable (gold) or effectively so (bismuth). See also...

chemical element (symbol Ar°(E) for element "E") is the weighted arithmetic mean of the relative isotopic masses of all isotopes of that element weighted...

makes up nearly all natural thorium, so thorium was considered to be mononuclidic. However, in 2013, IUPAC reclassified thorium as binuclidic, due to large...

reactors: In contrast to uranium, naturally occurring thorium is effectively mononuclidic and contains no fissile isotopes; fissile material, generally 233 U ...