7.1 Atomic Physics

11 Questions | By Gboulton | Last updated: Mar 22, 2022 | Total Attempts: 882

Questions

Settings

Create your own Quiz

Atomic Physics - nuclear atom

Questions and Answers

1.

In the Geiger Marsden experiment, alpha particles are scattered by gold nuclei. The experimental results indicate that most alpha particles are:
- A.
  
  Scattered only at small angles
- B.
  
  Scattered only at large angles
- C.
  
  Absorbed in the target
- D.
  
  Scattered back along the original direction
2.

In the Geiger Marsden experiment, nearly all α particles went through without deviating. What may be concluded from this observation?
3.

In the Geiger Marsden experiment, occasionally an alpha particle bounced back off the gold leaf. What may be concluded from this observation?
4.

Ag-102, Ag-103 and Ag-104 are three isotopes of the element silver. Which one of the following is a true statement about the nuclei of these isotopes?
- A.
  
  All have the same mass.
- B.
  
  All have the same number of nucleons.
- C.
  
  All have the same number of neutrons.
- D.
  
  All have the same number of protons.
5.

The existence of isotopes provides evidence for the presence of
- A.
  
  Electrons in atomic energy levels.
- B.
  
  Electrons in the nuclei of atoms.
- C.
  
  Neutrons in the nuclei of atoms.
- D.
  
  Protons in the nuclei of atoms.
6.

Which of the following provides evidence for the existence of atomic energy levels?
- A.
  
  Alpha-particle scattering
- B.
  
  Continuous emission spectra
- C.
  
  Discrete energies of gamma radiation
- D.
  
  Line absorption spectra
7.

Which of the following identifies the significant interaction(s) between nucleons inside the nucleus?
- A.
  
  Nuclear only
- B.
  
  Coulomb only
- C.
  
  Weak Nuclear and Coulomb
- D.
  
  Gravitational, nuclear and Coulomb
- E.
  
  Strong Nuclear and Coulomb
8.

The Geiger-Marsden alpha particle scattering experiment provides evidence for the existence of
- A.
  
  Atomic nuclei.
- B.
  
  Neutrons.
- C.
  
  Protons.
- D.
  
  Nuclear energy levels.
9.

The number of nucleons in a nucleus is the number of
- A.
  
  Particles in the nucleus.
- B.
  
  Neutrons in the nucleus.
- C.
  
  Protons in the nucleus.
- D.
  
  Protons plus neutrons in the nucleus.
10.

The atomic line spectra of elements provides evidence for the existence of
- A.
  
  Protons
- B.
  
  Electrons
- C.
  
  Neutrons
- D.
  
  Quantized energy states within nuclei
- E.
  
  Quantized energy states within atoms
11.

Are there any problems you have had with this topic? Are there any specific parts you want me to go over in class?