Question 1

When an unstable Lutetium nucleus undergoes beta decay,the nucleus formed is that of

Accepted Answer

A)  Lutetium. 
B)  Tantalum. 
C)  Ytterbium. 
D)  Thulium. 
E)  Hafnium. 
A)  Lutetium. 
B)  Tantalum. 
C)  Ytterbium. 
D)  Thulium. 
E)  Hafnium.

Question 2

The fission of 235U nuclei is initiated by

Accepted Answer

A)  electrons. 
B)  protons. 
C)  alpha particles. 
D)  neutrons. 
A)  electrons. 
B)  protons. 
C)  alpha particles. 
D)  neutrons.

Question 3

An amount of fissionable material that will not sustain a chain reaction is called

Accepted Answer

A)  a subatomic mass. 
B)  a subisotopic mass. 
C)  a subcritical mass. 
D)  none of these. 
A)  a subatomic mass. 
B)  a subisotopic mass. 
C)  a subcritical mass. 
D)  none of these.

Question 4

In which unit would it be best to state the dosage of radiation absorbed,with regard to its effects on humans?

Accepted Answer

A)  Roentgens 
B)  Curies 
C)  Becquerels 
D)  Rems 
A)  Roentgens 
B)  Curies 
C)  Becquerels 
D)  Rems

Question 5

When an oxygen-19 nucleus undergoes beta decay,the nucleus formed is that of

Accepted Answer

A)  nitrogen-18. 
B)  oxygen-18. 
C)  fluorine-19. 
D)  carbon-14. 
A)  nitrogen-18. 
B)  oxygen-18. 
C)  fluorine-19. 
D)  carbon-14.

Question 6

Only the energy of a nucleus,and not its identity,is changed when it undergoes ______________ decay.

Accepted Answer

The answer of Only the energy of a nucleus,and not...

Question 7

Which of the following instruments detects and measures radioactivity?

Accepted Answer

A)  Geiger counter 
B)  Cyclotron 
C)  Tokamak 
D)  Mass spectrometer 
A)  Geiger counter 
B)  Cyclotron 
C)  Tokamak 
D)  Mass spectrometer

Question 8

Who discovered radium?

Accepted Answer

A)  Marie and Pierre Curie 
B)  Ernest Rutherford 
C)  Henri Becquerel 
D)  Niels Bohr 
A)  Marie and Pierre Curie 
B)  Ernest Rutherford 
C)  Henri Becquerel 
D)  Niels Bohr

Question 9

Who discovered the atomic nucleus in 1911?

Accepted Answer

A)  Marie and Pierre Curie 
B)  Henri Becquerel 
C)  Ernest Rutherford 
D)  Niels Bohr 
A)  Marie and Pierre Curie 
B)  Henri Becquerel 
C)  Ernest Rutherford 
D)  Niels Bohr

Question 10

What is the symbol for the element Actinium?

Accepted Answer

A)  Ac 
B)  Tl 
C)  B 
D)  Md 
E)  He 
A)  Ac 
B)  Tl 
C)  B 
D)  Md 
E)  He

Question 11

The nucleus makes up about what percentage of the mass of an atom?

Accepted Answer

A)  99.9% 
B)  50% 
C)  90% 
D)  5% 
A)  99.9% 
B)  50% 
C)  90% 
D)  5%

Question 12

Determine the atomic mass of a hypothetical element that occurs on Earth as a mixture of 30.00% 44X (atomic mass of isotope = 44.00 u)and 70.00% 46X (atomic mass of isotope = 46.00 u).

Accepted Answer

Question 13

Breeder reactors

Accepted Answer

A)  produce plutonium from 238U. 
B)  use 238U as a fuel. 
C)  produce 235U from 238U. 
D)  produce 238U from 235U. 
A)  produce plutonium from 238U. 
B)  use 238U as a fuel. 
C)  produce 235U from 238U. 
D)  produce 238U from 235U.

Question 14

Artificial transmutations are generally achieved using

Accepted Answer

A)  Geiger counters. 
B)  particle accelerators. 
C)  tokamaks. 
D)  mass spectrometers. 
A)  Geiger counters. 
B)  particle accelerators. 
C)  tokamaks. 
D)  mass spectrometers.

Question 15

Complete the equation: $+ { } _ { 8 } ^ { 16 } \mathrm { O } \rightarrow { } _ { 8 } ^ { 17 } \mathrm { O } + { } _ { 1 } ^ { 1 } \mathrm { H }$ ______________

Accepted Answer

The answer of Complete the equation: \(+ { } _...

Question 16

The process of obtaining energy by merging small nuclei is called

Accepted Answer

A)  fission. 
B)  fusion. 
C)  nucleogenesis. 
D)  bombardment. 
A)  fission. 
B)  fusion. 
C)  nucleogenesis. 
D)  bombardment.

Question 17

An exoergic reaction

Accepted Answer

A)  absorbs energy. 
B)  requires a high temperature. 
C)  releases energy. 
D)  occurs only in stars. 
A)  absorbs energy. 
B)  requires a high temperature. 
C)  releases energy. 
D)  occurs only in stars.

Question 18

What happens to the atomic number (Z)and the mass number (A)when a nucleus emits an alpha particle?

Accepted Answer

A)  Z increases by 1; A is unchanged. 
B)  Z is unchanged; A is unchanged. 
C)  Z decreases by 2; A decreases by 4. 
D)  Z decreases by 1; A is unchanged. 
A)  Z increases by 1; A is unchanged. 
B)  Z is unchanged; A is unchanged. 
C)  Z decreases by 2; A decreases by 4. 
D)  Z decreases by 1; A is unchanged.

Question 19

When a neutron hits a ${ } _ { 3 } ^ { 6 } \mathrm { Li }$
Nucleus,one of the two products is an alpha particle.The other product is

Accepted Answer

A)  ${ } _ { 5 } ^ { 10 } \mathrm {~B}$ 
B)  ${ } _ { 5 } ^ { 11 } \mathrm {~B}$ 
C)  ${ } _ { 1 } ^ { 2 } \mathrm { H }$ 
D)  ${ } _ { 1 } ^ { 3 } \mathrm { H }$ 
E)  none of these. 
A)  ${ } _ { 5 } ^ { 10 } \mathrm {~B}$ 
B)  ${ } _ { 5 } ^ { 11 } \mathrm {~B}$ 
C)  ${ } _ { 1 } ^ { 2 } \mathrm { H }$ 
D)  ${ } _ { 1 } ^ { 3 } \mathrm { H }$ 
E)  none of these.

Question 20

The collective name for neutrons and protons is ______________.

Accepted Answer

The answer of The collective name for neutrons and protons...

Exam 10: Nuclear Physics

When an unstable Lutetium nucleus undergoes beta decay,the nucleus formed is that of

The fission of 235U nuclei is initiated by

An amount of fissionable material that will not sustain a chain reaction is called

In which unit would it be best to state the dosage of radiation absorbed,with regard to its effects on humans?

When an oxygen-19 nucleus undergoes beta decay,the nucleus formed is that of

Only the energy of a nucleus,and not its identity,is changed when it undergoes ______________ decay.

Which of the following instruments detects and measures radioactivity?

Who discovered radium?

Who discovered the atomic nucleus in 1911?

What is the symbol for the element Actinium?

The nucleus makes up about what percentage of the mass of an atom?

Determine the atomic mass of a hypothetical element that occurs on Earth as a mixture of 30.00% 44X (atomic mass of isotope = 44.00 u)and 70.00% 46X (atomic mass of isotope = 46.00 u).

Breeder reactors

Artificial transmutations are generally achieved using

Complete the equation: +816O→817O+11H+ { } _ { 8 } ^ { 16 } \mathrm { O } \rightarrow { } _ { 8 } ^ { 17 } \mathrm { O } + { } _ { 1 } ^ { 1 } \mathrm { H }+816​O→817​O+11​H ______________

The process of obtaining energy by merging small nuclei is called

An exoergic reaction

What happens to the atomic number (Z)and the mass number (A)when a nucleus emits an alpha particle?

When a neutron hits a 36Li{ } _ { 3 } ^ { 6 } \mathrm { Li }36​Li Nucleus,one of the two products is an alpha particle.The other product is

The collective name for neutrons and protons is ______________.

Measurement

Motion

Force and Motion

Work and Energy

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural G Eology and P Late Tectonics

Minerals, rocks, and Volcanoes

Surface Processes

Geologic Time

Filters

The fission of ²³⁵U nuclei is initiated by

Determine the atomic mass of a hypothetical element that occurs on Earth as a mixture of 30.00% ⁴⁴X (atomic mass of isotope = 44.00 u)and 70.00% ⁴⁶X (atomic mass of isotope = 46.00 u).

Complete the equation: $+ { } _ { 8 } ^ { 16 } \mathrm { O } \rightarrow { } _ { 8 } ^ { 17 } \mathrm { O } + { } _ { 1 } ^ { 1 } \mathrm { H }$ ______________

When a neutron hits a ${ } _ { 3 } ^ { 6 } \mathrm { Li }$ Nucleus,one of the two products is an alpha particle.The other product is