Definition that contains periodic table
- pauli United States physicist (born in Austria) who proposed the exclusion principle (thus providing a theoretical basis for the periodic table) (1900-1958)
- dmitri mendeleev Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements (1834-1907)
- argonon any of the chemically inert gaseous elements of the helium group in the periodic table
- alkaline-earth metal any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
- dmitri mendeleyev Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements (1834-1907)
- noble gas any of the chemically inert gaseous elements of the helium group in the periodic table
- mendeleev Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements (1834-1907)
- dmitri ivanovich mendeleev Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements (1834-1907)
- alkali metal any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium)
- inert gas any of the chemically inert gaseous elements of the helium group in the periodic table