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Where is the Electron Located?. The Quantum Model of the Atom Heisenberg uncertainty principle: It is impossible to determine both the position and velocity.

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Where is the Electron Located? WHAT IS ENERGY? ABILITY TO DO WORK MEASURED IN JOULES (J) WORK: TO USE A FORCE TO MOVE AN OBJECT A DISTANCE F X d KINETIC:

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Presentation on theme: "Where is the Electron Located?. The Quantum Model of the Atom Heisenberg uncertainty principle: It is impossible to determine both the position and velocity."— Presentation transcript:

1 Where is the Electron Located?

2 The Quantum Model of the Atom Heisenberg uncertainty principle: It is impossible to determine both the position and velocity of an electron or any other particle

3 What is the Address of the Electron? Principle Quantum Number (n): Indicates the energy level occupied by an electron. Angular Momentum (l): Indicates the shape of the orbital (s,p,d,f,g)

4 Atomic Numbers and Quantum Numbers Magnetic Quantum Number (m): Indicates the orientation of an orbital around the nucleus. Spin Quantum Number (): Indicates which way the electron is spinning

5 What are the Rules Governing Electron Configuration? Aufbau Principle: An electron occupies the lowest energy orbital available Pauli Exclusion Principle: Only two electrons per orbital and they must spin in opposite directions Hunds Rule: Each orbital of equal energy must have one electron before a second electron is added

6 Lets Fill Up The Orbitals!

7 Summary of Orbitals Principle Quantum # SublevelsNumber of Orbitals Number of Electrons 1s12 2s, p38 3s, p, d518 4s, p, d, f732

8 Predicting the 1s Orbital

9 Exceptions to Aufbau


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