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.
Introduction to Open Source Software: How it Works, Why it's Free, and How it Might Fit the Needs of Nonprofits. Adam Bernstein, Tech Underground & Electric Embers. Zachary Mutrux, CompuMentor. Introduction to Open Source Software, A. Bernstein and Z. Mutrux, 05/21/2004. Created in OpenOffice 1.1.1 (http://www.openoffice.org) Definition of Open Source. â Technical definition: â Source code is available to users. â Functional definition: â Usually free ($) or cheap to acquire and use.