The basic building block for ordinary matter. • http://www.youtube.com/watch?v=cnXV7Ph3WPk What is an atom?
Protons= positively charged particle found in an atom. • Neutrons=neutrally charged particle found in an atom. • Electrons= negatively charged particle found in an atom. Neutrons, Protons, and Electrons
Open this link, or type it into your web browser. • http://phet.colorado.edu/en/simulation/build-an-atom Let’s build some atoms!
Atomic Number= the number of protons in an atom of an element • Mass Number=(Number of Protons) + (Number of Neutrons) • Here’s a game to help with these concepts! • http://education.jlab.org/elementmath/ Atomic Number and Mass Number