Valence Electrons

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Information about Valence Electrons
Education

Published on August 19, 2009

Author: bsndev

Source: authorstream.com

Valence Electrons : Using valence electrons to make electron dot diagrams Valence Electrons Valence Electrons : The number of electrons in the outer most energy level of an atom Valence Electrons This sodium atom has One valence electron Electron Dot Diagram : Shows the symbol for the atom and the valence electrons EXAMPLE: Sodium has 1 valence electron Electron Dot Diagram Na Electron dot diagram Electron Dot Diagram : Carbon Electron Dot Diagram C Electron dot diagram Uses for Electron Dot Diagrams : Helpful in predicting how atoms might bond Example: H2O Uses for Electron Dot Diagrams O H H H H O Importance of Valence Electrons : Valence electrons determine how an atom will react with other atoms to form bonds Bonds are formed when atoms transfer valence electrons or when they share valence electrons As the number of valence electrons changes , the properties of elements also changes Importance of Valence Electrons

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