1. Chemistry PODs 56-60

2. POD #5611/2/2015 Write your first and last name and today’s date in the upper right hand corner of your paper. Fold your paper into fourths. Be sure to number and date each POD. 1.Explain how Heisenberg’s Uncertainty Principle showed that electrons cannot be assigned fixed paths around the nucleus as Bohr described in his model of the atom. 2.What is an atomic orbital?

3. POD #5711/3/2015 Make sure that your PODs are numbered and dated. 1.How many quantum numbers are needed to describe an electron’s location? 2.Describe what each of the following quantum numbers tells you about an electron’s location: a.Principal quantum number b.Orbital angular momentum quantum number c.Magnetic quantum number d.Electron spin quantum number

4. POD #5811/4/2015 Make sure that your PODs are numbered and dated. 1.According to the Aufbau Principle, which of the following energy levels would an electron most like to occupy? a.1sb. 2s c. 2pd. 3s e. 3pf. 3d 2.Which of the following orbitals shows the correct represent- ation of electrons according to the Pauli Exclusion Principle ` and Hund’s Rule?

5. POD #5911/5/2015 Make sure that your PODs are numbered and dated. 1.Write the complete electron configuration for element 78 – platinum (Pt). 2.Write the noble gas configuration for platinum.

6. POD #6011/6/2015 Make sure that your PODs are numbered and dated. 1.Write the electron configuration for the ions listed: a.P 3- b.Mg 2+ 2.Draw the orbital diagram for the elements listed: a.Sc b.S