companydirectorylist.com  Global Business Directories and Company Directories
Search Business,Company,Industry :


Country Lists
USA Company Directories
Canada Business Lists
Australia Business Directories
France Company Lists
Italy Company Lists
Spain Company Directories
Switzerland Business Lists
Austria Company Directories
Belgium Business Directories
Hong Kong Company Lists
China Business Lists
Taiwan Company Lists
United Arab Emirates Company Directories


Industry Catalogs
USA Industry Directories














  • Isotope | Examples Definition | Britannica
    What is an isotope? An isotope is 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 behavior but with different atomic masses and physical properties Every chemical element has one or more isotopes
  • Isotope - Wikipedia
    Isotopes are distinct nuclear species (or nuclides) of the same chemical element They have the same atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), but different nucleon numbers (mass numbers) due to different numbers of neutrons in their nuclei
  • What Is an Isotope? Definition and Examples
    Get the definition of an isotope See examples of isotopes and learn the difference between an isotope and a nuclide of an element
  • ISOTOPE Definition Meaning - Merriam-Webster
    The meaning of ISOTOPE 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
  • 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 For example, carbon has six protons and is atomic number 6
  • 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 Take hydrogen, for example
  • What is an Isotope? - ChemTalk
    An isotope is an atom that has the same number of protons and a different number of neutrons The atom is still considered the same element (still contains the same number of protons) as before but will have a different mass
  • What is an isotope? Definition, types and examples
    Isotopes are atoms whose atomic nuclei have the same number of protons but a different number of neutrons Not all atoms of the same element are identical and each of these varieties corresponds to a different isotope




Business Directories,Company Directories
Business Directories,Company Directories copyright ©2005-2012 
disclaimer