Question 1

The collective name for neutrons and protons is ______________.

Accepted Answer

nucleons

Question 2

No nuclide with an atomic number greater than ______________ is stable.

Accepted Answer

83

Question 3

How many protons are there in an atom of   ?

Accepted Answer

A)  12 
B)  34 
C)  23 
D)  11 
A)  12 
B)  34 
C)  23 
D)  11 D

Question 4

Which isotope of hydrogen is radioactive?

Accepted Answer

A)  Protium 
B)  Tritium 
C)  Deuterium 
D)  Hydronium 
A)  Protium 
B)  Tritium 
C)  Deuterium 
D)  Hydronium

Question 5

The half-life of    
is 14 min. How many minutes would it take for the activity of a sample of this radionuclide to decrease from 1200 cpm to 150 cpm?

Accepted Answer

Question 6

Copper-66 decays to zinc-66 when it emits a(n) ______________.

Accepted Answer

The answer of Copper-66 decays to zinc-66 when it emits...

Question 7

Radioactive decay was discovered in 1896 by

Accepted Answer

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

Question 8

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 9

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

Accepted Answer

A)  threshold 
B)  somatic 
C)  latent 
D)  genetic 
A)  threshold 
B)  somatic 
C)  latent 
D)  genetic

Question 10

Complete the equation: ______________

Accepted Answer

Question 11

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

Accepted Answer

The answer of Short-term and long-term effects of radiation on...

Question 12

How many neutrons are there in an atom of   ?

Accepted Answer

A)  92 
B)  143 
C)  235 
D)  None of these 
A)  92 
B)  143 
C)  235 
D)  None of these

Question 13

The atomic mass of a hypothetical element consisting of 50% 30X and 50% 32X would be about ______________ u.

Accepted Answer

Question 14

With only two exceptions, if a nucleus contains fewer ______________ than ______________, it is unstable.

Accepted Answer

A)  protons; neutrons 
B)  neutrons; protons 
C)  protons; alpha particles 
D)  protons; beta particles 
A)  protons; neutrons 
B)  neutrons; protons 
C)  protons; alpha particles 
D)  protons; beta particles

Question 15

The diameter of an average nucleus is about

Accepted Answer

A)  10-5 m. 
B)  10-7 m. 
C)  10-10 m. 
D)  10-14 m. 
A)  10-5 m. 
B)  10-7 m. 
C)  10-10 m. 
D)  10-14 m.

Question 16

A fusion reaction occurring in the interior of some stars is shown below. Calculate the mass lost, in atomic mass units, and the energy produced, in millions of electron volts. (Recall that 931 MeV is the energy obtained from the conversion of 1 u of mass.)
     
4.00260 u 12.0000 u 15.9949 u

Accepted Answer

Question 17

When an unstable Ag nucleus undergoes gamma decay, the nucleus formed is that of

Accepted Answer

A)  Silver. 
B)  Indium. 
C)  Palladium. 
D)  Rhodium. 
E)  Cadmium. 
A)  Silver. 
B)  Indium. 
C)  Palladium. 
D)  Rhodium. 
E)  Cadmium.

Question 18

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...

Question 19

Complete the equation:    
______________

Accepted Answer

Question 20

What is the symbol for the element Fermium?

Accepted Answer

A)  Fm 
B)  La 
C)  Er 
D)  Tc 
E)  He 
A)  Fm 
B)  La 
C)  Er 
D)  Tc 
E)  He

The collective name for neutrons and protons is ______________.

No nuclide with an atomic number greater than ______________ is stable.

How many protons are there in an atom of ?

Which isotope of hydrogen is radioactive?

The half-life of is 14 min. How many minutes would it take for the activity of a sample of this radionuclide to decrease from 1200 cpm to 150 cpm?

Copper-66 decays to zinc-66 when it emits a(n) ______________.

Radioactive decay was discovered in 1896 by

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

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

Complete the equation: ______________

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

How many neutrons are there in an atom of ?

The atomic mass of a hypothetical element consisting of 50% ³⁰X and 50% ³²X would be about ______________ u.

With only two exceptions, if a nucleus contains fewer than , it is unstable.

The diameter of an average nucleus is about

A fusion reaction occurring in the interior of some stars is shown below. Calculate the mass lost, in atomic mass units, and the energy produced, in millions of electron volts. (Recall that 931 MeV is the energy obtained from the conversion of 1 u of mass.) 4.00260 u 12.0000 u 15.9949 u

When an unstable Ag nucleus undergoes gamma decay, the nucleus formed is that of

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

Complete the equation: ______________

What is the symbol for the element Fermium?

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Nuclear Physics

The Chemical Elements

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Exam 10: Organic Chemistry

The collective name for neutrons and protons is ______________.

No nuclide with an atomic number greater than ______________ is stable.

How many protons are there in an atom of ?

Which isotope of hydrogen is radioactive?

The half-life of is 14 min. How many minutes would it take for the activity of a sample of this radionuclide to decrease from 1200 cpm to 150 cpm?

Copper-66 decays to zinc-66 when it emits a(n) ______________.

Radioactive decay was discovered in 1896 by

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

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

Complete the equation: ______________

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

How many neutrons are there in an atom of ?

The atomic mass of a hypothetical element consisting of 50% 30X and 50% 32X would be about ______________ u.

With only two exceptions, if a nucleus contains fewer ______________ than ______________, it is unstable.

The diameter of an average nucleus is about

A fusion reaction occurring in the interior of some stars is shown below. Calculate the mass lost, in atomic mass units, and the energy produced, in millions of electron volts. (Recall that 931 MeV is the energy obtained from the conversion of 1 u of mass.) 4.00260 u 12.0000 u 15.9949 u

When an unstable Ag nucleus undergoes gamma decay, the nucleus formed is that of

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

Complete the equation: ______________

What is the symbol for the element Fermium?

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

The atomic mass of a hypothetical element consisting of 50% ³⁰X and 50% ³²X would be about ______________ u.

With only two exceptions, if a nucleus contains fewer than , it is unstable.