Topics similar to or like Atomic number

Number of protons found in the nucleus of every atom of that element. Wikipedia

  • Chemical element

    Element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means. Wikipedia

  • Total number of protons and neutrons (together known as nucleons) in an atomic nucleus. Approximately equal to the atomic mass of the atom expressed in atomic mass units. Wikipedia

  • Atom

    Smallest unit of ordinary matter that forms a chemical element. Composed of neutral or ionized atoms. Wikipedia

  • Isotope

    Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom. Wikipedia

  • Flerovium

    Superheavy artificial chemical element with the symbol Fl and atomic number 114. Extremely radioactive synthetic element. Wikipedia

  • Nuclear fission

    Nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into two or more smaller, lighter nuclei. The fission process often produces gamma photons, and releases a very large amount of energy even by the energetic standards of radioactive decay. Wikipedia


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