Russell Periodic Chart
(courtesy University of Science and Philosophy)
Figure 7B.08 - Russell's Periodic Chart of the Elements showing Harmonicity, Periodicity and Polarity.
The vertical line down the center is the "Neutral Line" along which occurs the inert gases.
(scan courtesy of University of Science & Philosophy)
Page last modified on Friday 07 of September, 2012 06:30:43 MDT