Definition of periodic table in English:

periodic table


  • A table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

    • ‘When you move down the periodic table, as the atomic numbers increase, the elements become rarer.’
    • ‘Inorganic chemistry is the study of the chemistry of all the elements in the periodic table except for carbon.’
    • ‘Going down a column on the periodic table the atomic numbers differ by eight between rows one and two and two and three.’
    • ‘The most basic part of chemical notation is the abbreviations for elements used in the periodic table.’
    • ‘This weight is the number assigned to each of the chemical elements in the periodic table.’


periodic table