 The letter J does not appear anywhere on the periodic table of the elements. |
 In 1869, the Russian chemist Mendeleev noted that the repeating patterns of behavior could be arranged in a sequence of elements, giving rise to the periodic table of the elements. |
 The periodic table of the elements is the most important chemistry reference there is. It arranges all the known elements in an informative array. |
Friday, December 21, 2012
ScienceThings.com
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment