Alpha hydrogens in an ester. Alpha hydrogens in an alkyl bromide. 1  Related terms: Î²-carbon, beta-carbon, primary hydrogen, secondary hydrogen, tertiary hydrogen, Î²-hydrogen, beta-hydrogen, Î²-elimination, Î±-helix, Î²-sheet.lpha hydrogens in an ester. Alpha hydrogens in an alkyl bromide. 1  Related terms: Î²-carbon, beta-carbon, primary hydrogen, secondary hydrogen, tertiary hydrogen, Î²-hydrogen, beta-hydrogen, Î²-elimination, Î±-helix, Î²-sheet.
September 14, 1989 The Standard Gravure shooting occurred on  September 14, 1989, in Louisville, Kentucky, when Joseph T. Wesbecker, a 47-year-old pressman, killed eight people and injured twelve at his former workplace, Standard Gravure, before committing suicide.
Marshall County High School is about 30 minutes from Heath High School in Paducah, Kentucky, where a 1997 mass shooting killed three and injured five. Michael Carneal, then 14, opened fire there about two years before the fatal attack at Columbine High School in Colorado, ushering in an era when mass school shootings have become much more common.