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
Rashard Lewis Cavaliers, what he called the biggest shot of his career. The Magic won the series and advanced to the NBA Finals, where they were defeated by the Los Angeles Lakers in five games. On August 6, 2009, Lewis was suspended without pay for the first ten games of the 2009–10 season after testing positive for a banned substance. On December 18, 2010, Lewis was traded to the Washington Wizards in exchange for Gilbert Arenas. In 60 games for the Wizards over two seasons, Lewis averaged 9.7 points, 4.9 rebounds and 1.5 assists per game. On June 20, 2012, Lewis was