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Periodic table. The Periodic Table of Videos has filmed at least one video for each of the 118 elements (from hydrogen to oganesson). [13] They have also filmed several videos that discuss molecules such as D 2 O (heavy water) [14] and sulfuric acid. [15] Also filmed are "Chem definitions" that provide an explanation to words that are used in ...
Sir Martyn Poliakoff (born 16 December 1947) [3] is a British chemist known for his work on green chemistry and for being the main presenter on the popular YouTube channel Periodic Videos. [6] The core subjects of his academic work are supercritical fluids , [ 7 ] [ 8 ] infrared spectroscopy and lasers .
Yuri Tsolakovich Oganessian [a] (born 14 April 1933) is an Armenian and Russian nuclear physicist who is best known as a researcher of superheavy chemical elements. [7] He has led the discovery of multiple elements of the periodic table.
Video of a barking dog reaction by Maxim Bilovitskiy. The "Barking Dog" is an exothermic chemical reaction that results from the ignition of a mixture of carbon disulfide and nitrous oxide. [1] When ignited in a cylindrical tube, the reaction produces a bright flash and a loud "woof" - reminiscent of a barking dog.
On the periodic table of the elements it is a p-block element, a member of group 18 and the last member of period 7. Its only known isotope, oganesson-294, is highly radioactive, with a half-life of 0.7 ms and, as of 2025, only five atoms have been successfully produced. [17] This has so far prevented any experimental studies of its chemistry.
In September 2018, British physicist Jessica Wade created an article on the English Wikipedia about Phelps, [30] but this was deleted on February 11, 2019. [31] On April 12, The Washington Post published an op-ed [18] about, in part, the English-language Wikipedia's lack of coverage given to Phelps' contribution to the discovery of element 117 ...
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Periodic sentence (or rhetorical period), a concept in grammar and literary style. Period, a descriptor for a historical or period drama; Period, a timeframe in which a particular style of antique furniture or some other work of art was produced, such as the "Edwardian period" Period (Another American Lie), a 1987 album by B.A.L.L.