Lewis acids and bases Lewis acids and bases A Lewis acid is a chemical species that contains an empty orbital which is capable of accepting an electron pair from a Lewis base to form a Lewis adduct. A Lewis base, then, is any species that has a filled orbital containing an electron pair which is not involved in bonding but may form a dative bond with a Lewis acid to form a Lewis adduct. For example, NH is a Lewis base, because it can donate its lone pair of electrons. Trimethylborane (MeB) is a Lewis acid as it is capable of accepting a lone
Ibis GS-730 Super Magic a gross weight of , giving a useful load of . With maximum full fuel of the payload for pilot, passenger and baggage is . The standard day, sea level, no wind, take off is and the landing roll is . Ibis GS-730 Super Magic The Ibis GS-730 Super Magic is a Colombian STOL homebuilt aircraft that was designed and produced by Ibis Aircraft of Cali, introduced in 2007. When it was available the aircraft was supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction. Production has been completed and as of 2011 the aircraft was no