Atomic Structure Questions

  1. Which is the smallest sub-atomic particle?
    1. Proton
    2. Neutron
    3. Electron
  2. Which sub-atomic particle has a neutral charge?
    1. Proton
    2. Neutron
    3. Electron
  3. What does the atomic number measure?
    1. Protons
    2. Neutrons
    3. Sum of Neutrons and Protons
  4. Avogadro's Number is:
    1. 12
    2. 6.02 x 1023
    3. 60000000
    4. 3.141579
    5. 6.92 x 1024
  5. Two isotopes of Si-27 and Si-31, both would be expected to have the same:
    1. half-life
    2. nuclear charge
    3. atomic mass
    4. number of neutrons
    5. decay particles

Answers