elements from lightest to heaviest. When Mendeleev proposed his periodic table, he noted gaps in the table and predicted that then-unknown elements existed...

me – D. Mendeleev), p. 13. – Leningrad: D. I. Mendeleev's Museum-Archive, 207 pages (in Russian) Maria Mendeleeva (1951). D. I. Mendeleev's Archive:...

Mendeleev and Meyer for their work to classify the elements; although two of Mendeleev's predicted elements had been discovered by then, Mendeleev's predictions...

his periodic table, and Mendeleev successfully used the periodic law to predict some properties of some of the missing elements. The periodic law was recognized...

heavier elements, several possible electron configurations are predicted to have very similar energy levels, such that it is very difficult to predict the...

by Pauling but never revised after other elements' electronegativities were updated for precision. Predicted to be higher than that of caesium. Konings...

Actinide History of the periodic table Mendeleev's predicted elements Glenn Seaborg (1946). "The Transuranium Elements". Science. 104 (2704): 379–386. Bibcode:1946Sci...

pre-historical Roman 10 month calendar. See Roman Calendar. See Mendeleev's predicted elements for the most common use of Sanskrit numerical prefixes. The...

from Mendeleev's method of 640 °C (1,184 °F), have also been suggested. The density of francium is expected to be around 2.48 g/cm3 (Mendeleev's method...

discoveries were accepted. Mendeleev's predicted elements – a much earlier (1869) system of naming undiscovered elements "Element names >100". Koppenol...

elements, alchemy, and similar theories throughout history. Much of the modern understanding of elements developed from the work of Dmitri Mendeleev,...

elements would take their places. Mendeleev's discovery of this trend allowed him to predict the existence and properties of three unknown elements,...

elements. The most common naturally occurring isotope is 99Tc, in traces only. Many of technetium's properties had been predicted by Dmitri Mendeleev...

referred to as yet undiscovered elements with the use of Sanskrit numerical prefixes (see Mendeleev's predicted elements). J. Robert Oppenheimer in 1933...

of its hydroxide and names it. This is the first of Dmitri Mendeleev's predicted elements to be identified. Phenylhydrazine is discovered by Hermann Emil...

Kean, 55 Weeks, Mary Elvira (1932). "The discovery of the elements. XIII. Some elements predicted by Mendeleeff". Journal of Chemical Education. 9 (9): 1605–1619...

was apparently unaware of Mendeleev's prediction, but Per Teodor Cleve recognized the correspondence and notified Mendeleev. Metallic scandium was produced...

scientists referred to as yet undiscovered elements with the use of Sanskrit prefixes (see Mendeleev's predicted elements). Scholars like Schlegel also influenced...

discoveries of the 118 chemical elements known to exist as of 2025 are presented here in chronological order. The elements are listed generally in the order...

gallium as 4.7 g/cm3, the only property that failed to match Mendeleev's predictions; Mendeleev then wrote to him and suggested that he should remeasure the...

Og. In 1933, Linus Pauling predicted that the heavier noble gases could form compounds with fluorine and oxygen. He predicted the existence of krypton hexafluoride...

compounds—which corresponded well with Mendeleev's predictions—made the discovery an important confirmation of Mendeleev's idea of element periodicity. Here...

система химических элементов Д. И. Менделеева" [D. I. Mendeleev's periodic system of the chemical elements] (PDF). primefan.ru (in Russian). Retrieved 17 May...

sixth alkali metal in Dmitri Mendeleev's 1869 periodic table and Julius Lothar Meyer's 1868 periodic table. Mendeleev's 1871 periodic table and Meyer's...

chemist who discovered the element germanium in 1886, solidifying Dmitri Mendeleev's theory of periodicity. Winkler was born in 1838 in Freiberg, Kingdom...

in probing the chemistry of oganesson. Using Mendeleev's nomenclature for unnamed and undiscovered elements, oganesson is sometimes known as eka-radon (until...

estimated at 800 °C, the same value as that predicted for the neighboring element nobelium. Its density is predicted to be around 10.3±0.7 g/cm3. The chemistry...

publication of Mendeleev's eight-column periodic table in 1871. Also shown in this section is a modernized version of the same table. Mendeleev and others...

challenge to synthesize elements beyond unbinilium (120) or unbiunium (121), given their short predicted half-lives and low predicted cross sections. It has...

discovery of gallium was significant support for Mendeleev's theory of the periodicity of the elements. Lecoq de Boisbaudran experimented with the precipitation...