http://learnhub.com/users/lexe_smart A social learning network of communities and experts to help you get ahead in education so you can get ahead in life! en-us activity lexe_smart added a post to the Lesson History of the Atomic Theory- Part 2. Fri, 03 Jul 2009 09:51:49 +0000 http://chemistry.learnhub.com/lesson/3670-history-of-the-atomic-theory-part-2 http://chemistry.learnhub.com/lesson/3670-history-of-the-atomic-theory-part-2 0.16488790512085 activity lexe_smart added a post to the Lesson History of the Atomic Theory- Part 2. Fri, 03 Jul 2009 09:51:49 +0000 http://chemistry.learnhub.com/lesson/3670-history-of-the-atomic-theory-part-2 http://chemistry.learnhub.com/lesson/3670-history-of-the-atomic-theory-part-2 0.0187270641326904 activity lexe_smart signed up. Fri, 03 Jul 2009 09:51:48 +0000 http://learnhub.com/users/lexe_smart http://learnhub.com/users/lexe_smart 0.00624489784240723