4.1 Quiz, Refinements of the Atomic Model Name: Please define the following terms: 1. Electromagnetic radiation (and provide an example): 2. Wavelength (include the symbol and unit): 3. Frequency (include the symbol and unit): 4. What does C equal in, ? 5. What’s a photon? 6. Explain ground state vs. excited state when it comes to describing an atom. 7. What is an orbital? 8. Tell me a fun fact about yourself.