Chapter 18 - Atomic and Nuclear Physics

Atomic and nuclear physics

Quiz

 

1. • What is the charge of an electron?
   1.   +1
   2.   -1
   3.   0
   4.   +2
2. Which of the following particles is found in the nucleus of an atom?
   1.   Electron
   2.   Proton
   3.   Neutron
   4.   Both b and c
3. • What is the atomic number of an element?
   1.   The number of neutrons in the nucleus
   2.   The number of protons in the nucleus
   3.   The number of electrons orbiting the nucleus
   4.   The sum of protons and neutrons
4. Which of the following statements is true about isotopes?
   1.   They have the same number of protons but different numbers of neutrons
   2.   They have different numbers of protons and neutrons
   3.   They have different numbers of electrons
   4.   They have the same mass number
5. What is the mass number of an atom?
   1.   The number of protons in the nucleus
   2.   The number of neutrons in the nucleus
   3.   The total number of protons and neutrons in the nucleus
   4.   The number of electrons orbiting the nucleus
6. • Which radiation has the highest penetrating power?
   1.   Alpha radiation
   2.   Beta radiation
   3.   Gamma radiation
   4.   Neutron radiation
7. • In nuclear fission, what happens to the mass of the original nucleus?
   1.   It increases
   2.   It decreases
   3.   It remains the same
   4.   It converts entirely into energy
8. Which type of nuclear reaction is used in nuclear power plants?
   1.   Nuclear fusion
   2.   Nuclear fission
   3.   Alpha decay
   4.   Beta decay
9. • What is the charge of a proton?
   1.   -1
   2.   0
   3.   +1
   4.   +2
10. Which element is commonly used as fuel in nuclear reactors?
    1.   Uranium
    2.   Hydrogen
    3.   Carbon
    4.   Helium