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Vor einem Tag · American physical chemist Gilbert N. Lewis laid the foundation of valence bond theory; he was instrumental in developing a bonding theory based on the number of electrons in the outermost "valence" shell of the atom. In 1902, while Lewis was trying to explain valence to his students, he depicted atoms as constructed of a concentric series of cubes with electrons at each corner. This "cubic ...
Vor 7 Stunden · 刘易斯·吉尔伯特 Lewis Gilbert 丽卡·霍夫曼 Rika Hofmann 彼得·霍威特 Peter Howitt 鲍勃·舍曼 Bob Sherman 鲍勃·西蒙斯 Bob Simmons 让·图尼埃 Jean Tournier 迈克尔·G·威尔森 Michael G. Wilson
Vor 11 Stunden · These are Iowa’s best and brightest students, the next generation of leaders. Each year, Des Moines Register editors ask Iowa school officials to nominate seniors for Academic All-State ...
Vor 7 Stunden · With just four months left to go until the most glamorous night in the TV calendar returns, this year's National Television Awards nominee list has given a glimpse at who could take home the ...
Vor 7 Stunden · Hosted for the fourth time by Joel Dommett, the prize-giving ceremony will be held on September 11 at The 02 London and broadcast live on ITV and ITVX.
Vor einem Tag · Osvaldo Cunha, 80, Brezilyalı eski profesyonel futbolcu [261] John W. Hayes, 85, İngiliz arkeolog [262] Richard Lewis, 76, Amerikalı oyuncu, komedyen ve stand-up sanatçısı. [263] Camila Perissé, 72, Arjantinli aktris ve kabare sanatçısı [264]
Vor 7 Stunden · This year's longlist is brimming with talented actors, presenters and judges, alongside some of best shows from the past 12 months, including Mr Bates vs The Post Office, Death in Paradise, Baby ...
