Authors: Chun-Xuan Jiang
Comments: 8 Pages.
Using the stable number theory we prove there are only 92 stable elements in nature and obtain the correct valence electron configurations of the elementsd. In Mendeleev periodic table the elements(1-18,29-36 and 46) have correct valence electron configurations and the elements(19-28,37-45 and 46-92) have wrong valence electron configurations.The elements have no periods.Appendix is wrong Mendeleev periodic table of electron configurations of the elements
Authors: Sierra Rayne
Comments: 5 Pages.
In an earlier study (Kelly et al., PNAS, 2009, 106, 22346-22351), spatial patterns for the concentrations of particulate matter, particulate polycyclic aromatic compounds (PAC), and dissolved PAC in the snowpack around the Syncrude and Suncor upgrader facilities near the oil sands development at Fort McMurray, Alberta, Canada were determined. A reassessment of the datasets employed in this work yields significantly different deposition rates (by up to an order of magnitude) than reported, as well as reveals substantial sensitivity in deposition rate estimates depending on a range of equally valid regression types chosen. A high degree of uncertainty remains with regard to the quantities of particulate matter and PAC being deposited in the Athabasca River watershed from oil sands related activities.