Electromeric effect refers to a molecular polarizability effect occurring by an intramolecular electron displacement (sometimes called the ‘conjugative mechanism’ and, previously, the ‘tautomeric mechanism’) characterized by the substitution of one electron pair for another within the same atomic octet of electrons. However, this term is now considered and this effect is considered along with the inductive effect. This effect is shown by those compounds containing multiple bonds. When a double bond or triple bond is exposed to an attack by a reagent, a pair of bonding electrons involved in the...

Mar, mar or MAR may refer to: == Culture == Mar, a title of respect in Syriac Earl of Mar, an earldom in Scotland MAA (singer) (born 1986), Japanese recording artist, former television host and model Marathi language, by ISO 639-2 language code March, the third month of the year in the Gregorian calendar Master of Arts in Religion, a type of Master's degree == Places == Mar, Isfahan, a village in Iran Mar, Markazi, a village in Iran Mar, Russia, a selo in Nyurbinsky District of the Sakha Republic Mar, an area of Scotland now known as Marr Mesoamerican reef, a system of coral reefs in th...

Grétar Mar Sigurðsson (born April 14, 1988), known by his stage name and artist name Mar, is an experimental multi-genre artist and musician from Reykjavík, Iceland. Mar aims to combine various genres and mediums. He has released two studio albums, SoundEscapes (2013) and Mellows (2014), and a few singles. When not making music, Mar works as an independent artist, sometimes fusing the two mediums together. Mar has worked with various Icelandic musicians in different bands and projects, including Two tickets to Japan and Celestine, where he worked with Ólafur Arnalds. == Early life == Mar was born...