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An ion (/ ˈaɪ.ɒn, - ən /) [1] is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by convention. The net charge of an ion is not zero because its total number of electrons ...
Section 2 provides a mechanism for filling a vacancy in the vice presidency. Before the Twenty-fifth Amendment, a vice-presidential vacancy continued until a new vice president took office at the start of the next presidential term; the vice presidency had become vacant several times due to death, resignation, or succession to the presidency, and these vacancies had often lasted several years.
iOS version history. iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation iPhone. [1] iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. [2] With iOS 13, Apple began offering a separate operating system, iPadOS ...
The Chernobyl disaster began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in northern Ukraine, near the Belarus border in the Soviet Union. [1] It is one of only two nuclear energy accidents rated at the maximum severity on the International Nuclear Event Scale, the other ...
Computer science is the study of computation, information, and automation. [1][2][3] Computer science spans theoretical disciplines (such as algorithms, theory of computation, and information theory) to applied disciplines (including the design and implementation of hardware and software). [4][5][6] Algorithms and data structures are central to ...
The Orwell Archive at University College London contains undated notes about ideas that evolved into Nineteen Eighty-Four.The notebooks have been deemed "unlikely to have been completed later than January 1944", and "there is a strong suspicion that some of the material in them dates back to the early part of the war".
Virgin Mary depicted by Muslim painter Hossein Nuri. In Islam, Mary is known as Maryam (Arabic: مريم, romanized: Maryam), mother of Isa (عيسى بن مريم). She is often referred to by the honorific title "Sayyidatuna", meaning "Our Lady"; this title is in parallel to "Sayyiduna" ("Our Lord"), used for the prophets. [42]