Working Definition Of Isotope

Any one of various forms in which the atoms of a chemical element can occur isotope in a sentence.

Working definition of isotope. More than one type of daughter isotope may result. Used as tracers and as radiation and energy sources. Since one carbon 12 atom has 6 proton and 6 neutron mass of one proton neutron mass of one carbon 12 atom 1 amu atomic mass unit atomic mass units average atomic mass and definition of atomic mass unit. Every chemical element has one or more isotopes.

Rā dē ō ak tiv ī sŏ tōps isotopes with an unstable nuclear composition. Isotope one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties. The term isotope is form this topic is school chemistry or high school chemistry in the usa up to 14 16 when discussing the meaning and properties of isotopes in general as on this define isotope. The nuclide concept referring to individual nuclear species emphasizes nuclear properties over chemical properties whereas the isotope concept grouping all atoms of each element emphasizes chemical over nuclear.

But both of these names are based on the isotope s mass. The standard atom chosen is carbon 12 isotope. An atom is first identified and labeled according to the number of protons in its nucleus. Each isotope has a long formal name and a shorter nickname just like william.

Become a member and unlock all study answers. Thus the isotope is lead 206 or pb 206. Radioactive isotope radioisotope. An atom of carbon 12 is taken to have a mass of 12 atomic mass unit amu.

After equilibration of the spike isotope with the natural isotope of the element in the sample mass spectrometry ms is used to measure the altered isotopic ratio s. As an example when u 238 decays into th 234 the uranium atom is the parent isotope while the thorium atom is the daughter isotope. The atomic mass of the isotope therefore is equal to the sum of 82 and 124 which is equal to 206. The initial isotope is called the parent isotope while the atoms produced by the reaction are called daughter isotopes.

Stable isotope one that does not transmute into another element with emission of. Such nuclei decompose spontaneously by emission of a nuclear electron β particle or helium nucleus α particle and radiation γ rays thus achieving a stable nuclear composition. I so tōp a chemical element having the same atomic number as another i e the same number of nuclear protons but having a different atomic mass i e a different number of nuclear neutrons. For example aluminum is an element with many isotopes.