The periodic table of the elements This figure is a tabular arrangement of the spi'al (fig. 2) and represents a “chart of matter” with the longitudes or groups and latitudes or periods.

A longstanding mystery of the periodic table involves a group of unique elements called lanthanides. Also known as rare earth ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these ...

An international team of researchers, led by scientists from GSI/FAIR in Darmstadt, Germany, has studied r-process ...

Answer: That would be magnesium. Magnesium gets extremely hot when it reacts with oxygen in the air. Magnesium has 2 ...

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For years, astronomers puzzled over the mystery of where the heaviest elements in the universe—like gold, uranium, and platinum—come from. Scientists understood that these elements had to form under ...

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests ...

Collections Periodic table In this collection we explore the history and significance of the periodic table. We cover its origins and evolution, from Dmitri Mendeleev’s groundbreaking arrangement to ...

The Section maintains and operates several global isotope data networks for hydrology and climate studies, including the IAEA Global Network of Isotopes in Precipitation and the Global Network of ...

Letter Published: 01 January 1966 Covalent Radii of Noble Gas Atoms and Position of Hydrogen in the Periodic System of Elements Z. BAŃKOWSKI Nature 209, 71–72 (1966) Cite this article ...

In this paper, a compact log-periodic dipole array (LPDA) antenna is developed at 0.5-10 GHz. This LPDA structure constitutes fewer dipole elements than a conventional LPDA antenna that exhibits ...