1. Learning Goal – to understand how to write an electron configuration and what it represents Review questions Reading guide for 13.2 in POGIL groups Go over electron configurations Homework

2. Find a partner and use your notes to answer the following: 1. Determine the number of protons, neutrons and electrons in the isotope Uranium-238. 2. What are the four quantum numbers and what do they represent? 3. Calculate the wavelength in meters of a microwave that has a frequency of 1.36 x 10 10 Hz. HINT: the speed of light is 3.00 x 10 8 m/s

3. Take Spectra Moodle quiz if needed Set up lab notebook due Tues / Thurs Title, Date, Purpose, Safety, Procedure Bookwork Problems due Wed Pg 370 #7 Pg 386 #31, 32, 33 Ch 13 Quiz on Friday

4. You will need to have your book with Sec 5.4 available to help you with the quiz We will be covering this section on Friday in class