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An electron donating group (EDG) or electron releasing group (ERG, Z in structural formulas) is an atom or functional group that donates some of its electron density into a conjugated π system via resonance (mesomerism) or inductive effects (or induction)—called +M or +I effects, respectively—thus making the π system more nucleophilic.
An electron-withdrawing group (EWG) is a group or atom that has the ability to draw electron density toward itself and away from other adjacent atoms. [1] This electron density transfer is often achieved by resonance or inductive effects.
Delocalizing the radical ion stabilizes the transition state structure. As a result, the energy of activation decreases, enhancing the rate of the overall reaction. According to the captodative effect, the rate of a reaction is the greatest when both the EDG and EWG are able to delocalize the radical ion in the transition state structure. [7]
Royal Never Give Up (RNG) is a Chinese esports organization whose League of Legends team competes in the League of Legends Pro League.It was established in May 2015. RNG won the 2016 LPL Spring Playoffs, 2018 LPL Spring Playoffs and 2018 LPL Summer Playoffs, and is the champion of the 2018, 2021, and 2022 Mid-Season Invitational. [1]
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In gridiron football, replay review is a method of reviewing a play using cameras at various angles to determine the accuracy of the initial call of the officials.An instant replay can take place in the event of a close or otherwise controversial call, either at the request of a team's head coach (with limitations) or the officials themselves.
In April 2017, Toronto Life published an article rating that season's suits "from least to most offensive". [18] Among them was a jacket he wore for 22 April 2017 broadcast that many likened to spattered blood. [19]
The Environmental Working Group (EWG) is an American activist group that specializes in research and advocacy in the areas of agricultural subsidies, toxic chemicals, drinking water pollutants, and corporate accountability. EWG is a 501(c)(3) nonprofit organization.