Organizing the Elements. Chapter 9 Lesson 1 Page 314. Mendeleev. Created the first version of the periodic table in 1869 Arranged them according to their atomic masses Total of 63 elements in 1869 He discovered a set of patterns that applied to the elements. Mendeleev.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
matter, until late 1800s when
we discovered they were
made of smaller particles)