Ms. Claudia Barahona September, 2, 2011. Elements and symbols (Biosensors) The periodic table (History, periods, groups) Metals, Nonmetals and metalloids.
Review Inorganic Chemistry Chemistry 20. More than 20 million compounds are composed of these 116 elements. Element: is a substance consists of identical.
Chapter 6: The Periodic Table and Periodic Law. Development of the Periodic Table 1790s –Antoine Lavoisier composed a list of the 23 known elements –Included.