Definition Of Isotope In Science
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Every chemical element has one or more isotopes.
Definition of isotope in science. Definition of isotope in chemistry. In addition to protons the atoms of nearly every element also contain neutrons. 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. See the dictionary meaning pronunciation and sentence examples.
Isotope definition is any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties. An atom is first identified and labeled according to the number of protons in its nucleus. Radiobiology one of several nuclides having the same number of protons in their nuclei and hence having the same atomic number but differing in the number of neutrons and therefore in the mass number. There are 275 isotopes of the 81 stable elements in addition to over 800 radioactive isotopes and every element has known isotopic forms.
One of two or more atoms. The mass of a neutron is almost identical to that of a. Almost identical chemical properties exist between isotopes of a particular element. Sont qualifiés d isotopes les différents types d atomes d un même élément qui se distinguent seulement par leur nombre de neutrons.
Isotopes are atoms which are all of the same element but differ in terms of the number of neutrons in their nucleus. Such measurements offer a powerful tool to interrogate a range of scientific problems from the origins of the terrestrial planets to past climate change to igneous processes and the. Isotope definition 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 the nucleus or different atomic weights. 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.
10 people chose this as the best definition of isotope. Although because they are the same elements they will generally be identical in terms of basic physical properties two significant differences are that isotopes will have. Elements are defined by the number of protons in the atomic nucleus. What is an isotope.
More than one type of daughter isotope may result. The initial isotope is called the parent isotope while the atoms produced by the reaction are called daughter isotopes.
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