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isotopes    音标拼音: ['ɑɪsət,ops]
n. 同位素

同位素


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  • Isotope | Examples Definition | Britannica
    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 Every chemical element has one or more isotopes
  • Isotope - Wikipedia
    From left to right, the isotopes are protium (1 H) with 0 neutrons, deuterium (2 H) with 1 neutron, and tritium (3 H) with 2 neutrons Isotopes are distinct nuclear species (or nuclides) of the same chemical element
  • What Is an Isotope? Definition and Examples
    Isotopes share the same chemical properties but may have different nuclear stability and physical properties Some isotopes are stable, while others are radioactive and undergo decay Scientists use isotopes in medicine, archaeology, power generation, and scientific research
  • What are Isotopes? | IAEA
    Like everything we see in the world, isotopes are a type of atom, the smallest unit of matter that retains all the chemical properties of an element Isotopes are forms of a chemical element with specific properties
  • Isotope Basics | NIDC: National Isotope Development Center
    Isotopes are atoms of the same element that have the same number of protons (i e , atomic number, "Z") but a different number of neutrons, meaning that their mass number, "A", varies
  • 3. 5: Isotopes - Chemistry LibreTexts
    Isotopes are atoms of the same element that differ in the amount of neutrons and atomic mass Almost all elements on the periodic table have at least two different natural isotopes
  • What is an Isotope? - ChemTalk
    In this concept tutorial, learn about what an isotope is, some common isotopes and their uses, and how isotopes form and breakdown
  • What is an Isotope: Explanation, Review, and Examples - Albert
    This review covers what isotopes are, how to write isotope notation, how to calculate average atomic mass from isotopic abundances, and how isotopes show up in real-world applications
  • DOE Explains. . . Isotopes - Department of Energy
    Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons The number of protons in a nucleus determines the element’s atomic number on the Periodic Table
  • ISOTOPE Definition Meaning | Dictionary. com
    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 There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms Isotopes of a single





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