Topics similar to or like Periodic table

Tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. Wikipedia

  • History of the periodic table

    Arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties. In the basic form, elements are presented in order of increasing atomic number, in the reading sequence. 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

  • Alkali metal

    The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Together with hydrogen they constitute group 1, which lies in the s-block of the periodic table. Wikipedia

  • Period (periodic table)

    Row of chemical elements. All elements in a row have the same number of electron shells. Wikipedia

  • Neptunium

    Chemical element with the symbol Np and atomic number 93. First transuranic element. Wikipedia

  • Chalcogen

    The chalcogens are the chemical elements in group 16 of the periodic table. Also known as the oxygen family. Wikipedia


    Sentences forPeriodic table

    • The solubility of the hydroxides of the alkaline-earth metals to which calcium and magnesium belong (group 2 of the periodic table) increases moving down the column.Hard water-Wikipedia
    • The physical data from those compounds—which corresponded well with Mendeleev's predictions—made the discovery an important confirmation of Mendeleev's idea of element periodicity.Germanium-Wikipedia
    • In the 1860s Odling, like many chemists, was working towards classifying the elements, an effort that would eventually lead to the periodic table of elements.William Odling-Wikipedia
    • Niels Bohr (1923) incorporated Langmuir’s model that the periodicity in the properties of the elements might be explained by the electronic structure of the atom.Electron configuration-Wikipedia
    • His work in this area also led to his development of the actinide_concept">actinide concept and the arrangement of the actinide series in the periodic table of the elements.Glenn T. Seaborg-Wikipedia
    • Leopold Gmelin besides also developed a forerunner of the Periodic table and improved chemical equipment.Leopold Gmelin-Wikipedia

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