Name:______________________________________
Chapter 9 Review
Define the following:
Electromagnetic radiation
Electromagnetic spectrum
Bands
Photon
Plannck’s constant
Work Function
Atomic mass unit
Atomic number
Atomic mass number
Isotope
Binding energy
Mass defect
Electron volt
Alpha radiation
Alpha decay
Name:______________________________________
Beta radiation
Gamma radiation
Nuclear fission
Nuclear fusion
1. List the electromagnetic spectrum from lowest frequency to highest frequency.
2. Calculate the frequency of an X-ray with a wavelength of about 10-10 meters.
3. When changes in energy occur inside the atom, the process by which electromagnetic or particle
energy is emitted from atoms is called ____________________.
An isotope of uranium is identified by the symbol 92U235.
4. The number 92 refers to ____________________.
5. The number 235 refers to ____________________.
6. The letter U refers to ____________________.
7. Electromagnetic radiation in a vacuum or air travels with a speed near ____________________.
Name:______________________________________
8. Find the number of neutrons in the nucleus of each of the following isotopes.
a. 6C12
= ____________________
13
b. 6C
= ____________________
c. 36Kr84
= ____________________
d. 7N14
= ____________________
9. You are given the nuclide symbol 8O16. What is the chemical element, its atomic mass, atomic
number, and number of neutrons?
10. Find the energy of EM radiation of wavelength 2
10-12 meters traveling in air.
1012 meters traveling in air.
11.
What's the frequency of EM radiation of wavelength 2
12.
Find the momentum of a gamma ray photon with a wavelength of 1.00
13.
Find the energy of a gamma ray photon with a wavelength of
14.
If 4.1010-11J of energy are released in a nuclear reaction, how much mass is lost?
15.
An atom of 241Am95 undergoes alpha decay and produces an alpha particle. Write the nuclear equation for this reaction.
Name:______________________________________
16. Chlorine-35 has an exact mass of 34.9689 AMU. Given the mass of a proton (1.0073 AMU),
the mass of a neutron (1.0087 AMU), and the mass of an electron (0.00055 AMU), calculate the
mass defect of Chlorine-35.