Download Pre-AP Chemistry

Pre-AP Chemistry
Instructor: Mr. Malasky
Name _______________________________________ Period ________ Due Date __________
Radiation and Spectra Review. Complete the following short answer questions.
1. What kind of proportion is shown by the equation c = λ ν?
2. Who stated that electromagnetic radiation has a dual nature?
3. How many meters are 665 nm equal to?
4. What wave measure is identified by the unit Hz?
5. What wave property is known as distance between similar points on a wave?
6. What is the numerical value and unit for the speed of light?
7. What type of spectrum is produced from the sun’s rays?
8. What is the SI unit of energy?
9. What has a higher frequency: an ultraviolet ray or a microwave?
10. What type of spectra would be created by exciting xenon gas?
11. What element did Bohr use to support his theory on bright line spectra?
12. Energy of a photon is directly proportional to what wave property?
13. What is a spectrum?
14. What two forms of energy can generally be used to excite an atom?
15. What types of rays are produced from hot objects?
16. What is the name for an object that spreads out rays?
17. What constant is measured as 6.63 x 10-34 J . s ?
18. Is a gamma ray natural or artificial?
19. What is the frequency of a wave that has a wavelength of 592 nm?
20. What is the energy of a quantum of radiation with a frequency of 4.04 x 1012 Hz?