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Selected subspecies Abax parallelepipedus ssp. alpigradus; Abax parallelepipedus ssp. audouini; Abax parallelepipedus ssp. contractus; Abax parallelepipedus ssp. curtulus; Abax parallelepipedus ssp. germanus
Electrophilic addition. The overall reaction for electrophilic addition to ethylene. In organic chemistry, an electrophilic addition ( AE) reaction is an addition reaction where a chemical compound containing a double or triple bond has a π bond broken, with the formation of two new σ bonds. [1]
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.
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History of electrochemistry. Electrochemistry, a branch of chemistry, went through several changes during its evolution from early principles related to magnets in the early 16th and 17th centuries, to complex theories involving conductivity, electric charge and mathematical methods. The term electrochemistry was used to describe electrical ...
Electromagnetic spectrum. The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band. From low to high frequency these are: radio waves, microwaves, infrared, visible light ...
Great Stalacpipe Organ. Appearance. Coordinates: 38°39′51.5″N78°29′1.7″W38.664306°N 78.483806°W. Console of the organ, an electrically actuated lithophone. The Great Stalacpipe Organ is an electrically actuated lithophone located in Luray Caverns, Virginia, USA. Covering 3.5 acres of the cavern, it is considered the world's largest ...
Panathinaikos B.C. Panathinaikos B.C. ( Greek: ΚΑΕ Παναθηναϊκός ), also known simply as Panathinaikos, currently also known as Panathinaikos AKTOR Athens for sponsorship reasons, is the professional basketball team of the major Athens -based multi- sport club Panathinaikos A.O. It is owned by the billionaire Giannakopoulos family .