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The first transition series is present in the 4th period, and starts after Ca (Z = 20) of group 2 with the configuration [Ar]4s 2, or scandium (Sc), the first element of group 3 with atomic number Z = 21 and configuration [Ar]4s 2 3d 1, depending on the definition used. As we move from left to right, electrons are added to the same d subshell ...
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
Wipe (transition), a type of film transition where one shot replaces another by travelling from one side of the frame to another or with a special shape; Dissolve (filmmaking), a gradual transition from one image to another; Transitions, the world's first IMAX film in 3D; Transition (1989 film), a film by the Iranian director Kamal Tabrizi
An energy transition is a broad shift in technologies and behaviours that are needed to replace one source of energy with another. [14]: 202–203 A prime example is the change from a pre-industrial system relying on traditional biomass, wind, water and muscle power to an industrial system characterized by pervasive mechanization, steam power and the use of coal.
Early Modern English (sometimes abbreviated EModE [1] or EMnE) or Early New English (ENE) is the stage of the English language from the beginning of the Tudor period to the English Interregnum and Restoration, or from the transition from Middle English, in the late 15th century, to the transition to Modern English, in the mid-to-late 17th century.
It's the Fed's first interest rate-cutting cycle since the COVID-19 pandemic arrived in March 2020. So far this year, the Fed has cut interest rates by 75 basis points, and it is largely expected ...
First reported in the case of a ferromagnetic to anti-ferromagnetic transition, [23] such persistent phase coexistence has now been reported across a variety of first-order magnetic transitions. These include colossal-magnetoresistance manganite materials, [ 24 ] [ 25 ] magnetocaloric materials, [ 26 ] magnetic shape memory materials, [ 27 ...
The Trump transition won't totally be put on hold if a shutdown happens at midnight Friday. Senators will likely still be able to consider the former and future president's Cabinet nominees.