The periodic table - classification of elements. Definitions of groups, periods, alkali metals, alkaline earth metals, halogens, and noble gases. How metals, non-metals, and metalloids can be identified by the position on the periodic table. Created by Jay. Introduction to the periodic table. The periodic table - classification of elements. Groups of the periodic table. Counting valence electrons for main group elements.
OPENBook is software developed for blind and visually impaired individuals to read, edit, and manage scanned images from books, magazines, manuals, bills, newspapers, and other printed documents. It essentially turns your computer system into a scanning and reading machine.
OpenFOAM is a free-to-use open-source numerical simulation software with extensive CFD and multi-physics capabilities. Free-to-use means using the software without paying for license and support, including massively parallel computers: free 10,000-CPU CFD license!penFOAM is a free-to-use open-source numerical simulation software with extensive CFD and multi-physics capabilities. Free-to-use means using the software without paying for license and support, including massively parallel computers: free 10,000-CPU CFD license!