Nuclear Physics Multiple Choice
atomic number
An unknown chemical element is presented by the following formula: a over z X. What is the name of index Z
atomic mass number
An unknown chemical element represented by a over z X. what is the name of index A?
b. the number of protons in the atom
The atomic mass number is equivalent to which of the following?
a. the number of neutrons in the atom
b. the number of protons in the atom
c. the number of nucleons in the atom
d. the number of a- particles in the atom
a. the number of neutrons in the atom
b. the number of protons in the atom
c. the number of nucleons in the atom
d. the number of a- particles in the atom
c. the number of nucleons in the atoms
Atomic mass number is equivalent to which of the following?
a. the number of neutrons in the atom
b. the number of protons in the atoms
c. the number of nucleons in the atom
d. number of a- particles in the atom
a. the number of neutrons in the atom
b. the number of protons in the atoms
c. the number of nucleons in the atom
d. number of a- particles in the atom
b. electron
Which of the following particles has the smallest mass?
a. proton b. electron c. neutron
d. nucleus e. nucleon
a. proton b. electron c. neutron
d. nucleus e. nucleon
d. it is concentrated in the nucleus
Which of the following statements about the mass of an atom is true?
a. it is even divided between the protons and the orbiting electrons
b. it is evenly divided between the nucleons and the orbiting electrons
c. it is concentrated in the electron cloud
d. it is concentrated in the nucleus
e. it is evenly divided between protons, neutrons and orbiting electrons
a. it is even divided between the protons and the orbiting electrons
b. it is evenly divided between the nucleons and the orbiting electrons
c. it is concentrated in the electron cloud
d. it is concentrated in the nucleus
e. it is evenly divided between protons, neutrons and orbiting electrons
N=A-Z
What is the correct formula for the number of neutrons in the nucleus?
d. conservation of energy
What did Ernest Rutherford use to estimate the size of the nucleus?
a. conservation of nucleon number
b. conservation of angular momentum
c. conservation of linear momentum
d. conservation of energy
e. conservation of charge
a. conservation of nucleon number
b. conservation of angular momentum
c. conservation of linear momentum
d. conservation of energy
e. conservation of charge
b. nuclear energy levels depend on attractive and repulsive forces
why are nuclear energy levels more complex than electron energy levels?
a. nuclear energy levels depend only on attractive forces.
b. nuclear energy levels depend on attractive and repulsive forces.
c. nuclear energy levels are an order of one hundred times as great as electron energy levels
d. electron energy levels depend on the interactions between neutrons and electrons
a. nuclear energy levels depend only on attractive forces.
b. nuclear energy levels depend on attractive and repulsive forces.
c. nuclear energy levels are an order of one hundred times as great as electron energy levels
d. electron energy levels depend on the interactions between neutrons and electrons
e. it is a strong, short-range, attractive force between the nucleons
which of the following about nuclear forces is true?
a. it is an attractive force between electrons and protons in an atom.
b. it is an attractive force between electrons and neutrons in an atom
c. it is much weaker than the electromagnetic force
d. it is much weaker than the gravitational force
e. it is a strong short range, attractive force between the nucleons
a. it is an attractive force between electrons and protons in an atom.
b. it is an attractive force between electrons and neutrons in an atom
c. it is much weaker than the electromagnetic force
d. it is much weaker than the gravitational force
e. it is a strong short range, attractive force between the nucleons
b. weak nuclear force
What force is responsible for the radioactive decay of the nucleus?
a. gravitational force
b. weak nuclear force
c. strong nuclear force
d. electromagnetic force
a. gravitational force
b. weak nuclear force
c. strong nuclear force
d. electromagnetic force
a. have the same number of protons and electrons but a different number of neutrons
isotopes of an element:
a. have the same number of protons and electrons, but a different number of neutrons
b. have the same number of protons and neutrons but a different number of electrons
c. have different number of protons
d. have different number of electrons
a. have the same number of protons and electrons, but a different number of neutrons
b. have the same number of protons and neutrons but a different number of electrons
c. have different number of protons
d. have different number of electrons
a. the amount of energy required to break a nucleus apart into protons and neutrons
binding energy is:
a. the amount of energy required to break nucleus apart into protons and neutrons
b. the amount of energy required to break a nucleus apart into protons and electrons
c. the amount of energy required t break a nucleus apart into electrons and neutrons
d. the amount of energy released when neutrons change energy levels.
a. the amount of energy required to break nucleus apart into protons and neutrons
b. the amount of energy required to break a nucleus apart into protons and electrons
c. the amount of energy required t break a nucleus apart into electrons and neutrons
d. the amount of energy released when neutrons change energy levels.
e. released as high energy photons or particles
when a nucleons from a stable nucleus binding energy is:
a. created from nothing
b. destroyed into nothing
c. transformed into visible light
d. absorbed as high energy photons or particles
e. released as high energy photons or particles
a. created from nothing
b. destroyed into nothing
c. transformed into visible light
d. absorbed as high energy photons or particles
e. released as high energy photons or particles
d. absorbed by the nucleus which then breaks it apart
when a nucleus is divided into its constituents energy is:
a. created from nothing
b. destroyed into nothing
c. transformed into visible light
d. absorbed by the nucleus which then breaks it apart
a. created from nothing
b. destroyed into nothing
c. transformed into visible light
d. absorbed by the nucleus which then breaks it apart
c. is very stable
an isotope with a high binding energy per nucleon:
a. will decay in a short period of time
b. is very unstable
c. is very stable
d. has very few electrons
e. has more protons than neutrons
a. will decay in a short period of time
b. is very unstable
c. is very stable
d. has very few electrons
e. has more protons than neutrons
d. to provide more attractive strong nuclear force to balance the repulsive electromagnetic force
why do heavier nuclei have a greater ratio of neutrons to protons than lighter nuclei?
a. to add more nucleons so that the binding energy is greater
b. to provide a greater weak nuclear force
c. to provide more attractive electromagnetic
a. to add more nucleons so that the binding energy is greater
b. to provide a greater weak nuclear force
c. to provide more attractive electromagnetic
e it has zero mass at rest and a neutral charge
which of the following about game rays is true?
a. it carries a positive charge
b. it carries a negative charge
c. it can be deflected by a magnetic field
d. it can be deflected by an electric field
e. it has a zero rest mass and a neutral charge
a. it carries a positive charge
b. it carries a negative charge
c. it can be deflected by a magnetic field
d. it can be deflected by an electric field
e. it has a zero rest mass and a neutral charge
b exothermic
a reaction that releases more energy than it put into it is called:
a. endothermic
b. exothermic
c. nuclear
d chemical
e radioactivity
a. endothermic
b. exothermic
c. nuclear
d chemical
e radioactivity