Subatomic Particles Notes 9/14/12

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Presentation transcript:

Subatomic Particles Notes 9/14/12

Warmup: Name the scientist who best fits the drawing.

Agenda Turn in homework (Book work from Chpt 4) Subatomic Particles Notes Examples Start practice worksheet NO HOMEWORK this weekend

Positive Neutral Negative Subatomic Particles Proton Neutron Electron Charge Mass (relative) Symbol Location of particle in the Atom Positive Neutral Negative 1 1 1/1836 p+ n0 e- At the center of the atom within the nucleus At the center of the atom within the nucleus In orbitals surrounding the nucleus

Same as protons (in a neutral atom) Mass Number – Atomic Number Subatomic Particles Proton Neutron Electron How amount of particles is determined How atom changes if amount of particles is changed Same as protons (in a neutral atom) Mass Number – Atomic Number Atomic Number Changes the type of ion (charged atom) Changes the type of element Changes the type of isotope

Add to the Bottom Atomic Number = Number of Protons Mass Number = # Protons + # Neutrons Atomic Symbol = Letters from the Periodic Table

Practice Examples Practice Worksheet Protons, Neutrons, and Electrons Practice Worksheet