Question 1

Most stable types of nuclei have an ______________ number of protons and an ______________ number of neutrons.

Accepted Answer

A)  even; odd 
B)  odd; odd 
C)  odd; even 
D)  even; even 
A)  even; odd 
B)  odd; odd 
C)  odd; even 
D)  even; even

Question 2

The reaction ${ } _ { 92 } ^ { 236 } \mathrm { U } \rightarrow { } _ { 38 } ^ { 90 } \mathrm { Sr } + { } _ { 54 } ^ { 144 } \mathrm { Xe } + 2 _ { 0 } ^ { 1 } \mathrm { n }$
Is an example of

Accepted Answer

A)  alpha emission. 
B)  naturally occurring neutron decay. 
C)  fusion. 
D)  fission. 
A)  alpha emission. 
B)  naturally occurring neutron decay. 
C)  fusion. 
D)  fission.

Question 3

Complete the equation,and state what type of decay is occurring.
 ${ } _ { 89 } ^ { 226 } \mathrm { Ac }$ * _____________ + γ

Accepted Answer

Question 4

How many protons are there in an atom of ${ } _ { 11 } ^ { 23 } \mathrm { Na }$ ?

Accepted Answer

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

Question 5

Complete the equation: ${ } _ { 79 } ^ { 177 } \mathrm { Au } \rightarrow { } _ { 77 } ^ { 173 } \mathrm { Ir } +$ ______________

Accepted Answer

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

Question 6

Tell why each nuclide shown is unstable.Explain your reasoning in each case ${ } _ { 17 } ^ { 33 } \mathrm { Cl } \quad { } _ { 29 } ^ { 64 } \mathrm { Cu } \quad { } _ { 87 } ^ { 223 } \mathrm { Fr }$ .

Accepted Answer

33Cl has fewer neutrons than p

Question 7

How many neutrons are there in an atom of ${ } _ { 92 } ^ { 235 } \mathrm { U }$ ?

Accepted Answer

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

Question 8

Plutonium-239 and uranium-235 undergo fission when bombarded by

Accepted Answer

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

Question 9

The alpha scattering experiment resulted in the discovery of the ______________.

Accepted Answer

The answer of The alpha scattering experiment resulted in the...

Question 10

How many protons does Tc have?

Accepted Answer

A)  93 
B)  58 
C)  48 
D)  107 
E)  43 
A)  93 
B)  58 
C)  48 
D)  107 
E)  43

Question 11

Complete the equation: ${ } _ { 56 } ^ { 137 } \mathrm { Ba }$ * $\rightarrow \quad { } _ { 56 } ^ { 137 } \mathrm { Ba } +$ ______________

Accepted Answer

Question 12

Which of the following nuclides would be stable?

Accepted Answer

A)  ${ } _ { 16 } ^ { 31 } \mathrm {~S}$ 
B)  ${ } _ { 35 } ^ { 80 } \mathrm { Br }$ 
C)  ${ } _ { 86 } ^ { 222 } \mathrm { Rn }$ 
D)  ${ } _ { 83 } ^ { 209 } \mathrm { Bi }$ 
A)  ${ } _ { 16 } ^ { 31 } \mathrm {~S}$ 
B)  ${ } _ { 35 } ^ { 80 } \mathrm { Br }$ 
C)  ${ } _ { 86 } ^ { 222 } \mathrm { Rn }$ 
D)  ${ } _ { 83 } ^ { 209 } \mathrm { Bi }$

Question 13

Which two isotopes of bromine would you predict to be stable?

Accepted Answer

A)  ${ } _ { 35 } ^ { 81 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 79 } \mathrm { Br }$ 
B)  ${ } _ { 35 } ^ { 82 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 79 } \mathrm { Br }$ 
C)  ${ } _ { 35 } ^ { 81 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 80 } \mathrm { Br }$ 
D)  ${ } _ { 35 } ^ { 80 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 79 } \mathrm { Br }$ 
A)  ${ } _ { 35 } ^ { 81 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 79 } \mathrm { Br }$ 
B)  ${ } _ { 35 } ^ { 82 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 79 } \mathrm { Br }$ 
C)  ${ } _ { 35 } ^ { 81 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 80 } \mathrm { Br }$ 
D)  ${ } _ { 35 } ^ { 80 } \mathrm { Br }$ and ${ } _ { 35 } ^ { 79 } \mathrm { Br }$

Question 14

In nuclear fusion,

Accepted Answer

A)  light nuclei combine to form a heavier nucleus. 
B)  a large nucleus splits into two smaller ones. 
C)  an initial reaction triggers a chain reaction. 
D)  protons are converted into neutrons and energy. 
A)  light nuclei combine to form a heavier nucleus. 
B)  a large nucleus splits into two smaller ones. 
C)  an initial reaction triggers a chain reaction. 
D)  protons are converted into neutrons and energy.

Question 15

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 16

Complete the equation: ${ } _ { 1 } ^ { 2 } \mathrm { H } + { } _ { 3 } ^ { 8 } \mathrm { Li } \rightarrow { } _ { 4 } ^ { 9 } \mathrm { Be } +$ ______________

Accepted Answer

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

Question 17

Which type of atom is the standard on which the atomic mass scale is based?

Accepted Answer

A)  (12
C)  
B)  (16O) 
C)  (1H) 
D)  (56Fe) 
A)  (12
C)  
B)  (16O) 
C)  (1H) 
D)  (56Fe)

Question 18

The process of obtaining energy by splitting a large nucleus is called

Accepted Answer

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

Question 19

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

Accepted Answer

A)  Oxygen. 
B)  Neon. 
C)  Nitrogen. 
D)  Carbon. 
E)  Fluorine. 
A)  Oxygen. 
B)  Neon. 
C)  Nitrogen. 
D)  Carbon. 
E)  Fluorine.

Question 20

An electron is emitted by an atomic nucleus in the process called ______________ decay.

Accepted Answer

The answer of An electron is emitted by an atomic...

Exam 10: Nuclear Physics

Most stable types of nuclei have an ______________ number of protons and an ______________ number of neutrons.

The reaction 92236U→3890Sr+54144Xe+201n{ } _ { 92 } ^ { 236 } \mathrm { U } \rightarrow { } _ { 38 } ^ { 90 } \mathrm { Sr } + { } _ { 54 } ^ { 144 } \mathrm { Xe } + 2 _ { 0 } ^ { 1 } \mathrm { n }92236​U→3890​Sr+54144​Xe+201​n Is an example of

Complete the equation,and state what type of decay is occurring. 89226Ac{ } _ { 89 } ^ { 226 } \mathrm { Ac }89226​Ac * _____________ + γ

How many protons are there in an atom of 1123Na{ } _ { 11 } ^ { 23 } \mathrm { Na }1123​Na ?

Complete the equation: 79177Au→77173Ir+{ } _ { 79 } ^ { 177 } \mathrm { Au } \rightarrow { } _ { 77 } ^ { 173 } \mathrm { Ir } +79177​Au→77173​Ir+ ______________

Tell why each nuclide shown is unstable.Explain your reasoning in each case 1733Cl2964Cu87223Fr{ } _ { 17 } ^ { 33 } \mathrm { Cl } \quad { } _ { 29 } ^ { 64 } \mathrm { Cu } \quad { } _ { 87 } ^ { 223 } \mathrm { Fr }1733​Cl2964​Cu87223​Fr .

How many neutrons are there in an atom of 92235U{ } _ { 92 } ^ { 235 } \mathrm { U }92235​U ?

Plutonium-239 and uranium-235 undergo fission when bombarded by

The alpha scattering experiment resulted in the discovery of the ______________.

How many protons does Tc have?

Complete the equation: 56137Ba{ } _ { 56 } ^ { 137 } \mathrm { Ba }56137​Ba * →56137Ba+\rightarrow \quad { } _ { 56 } ^ { 137 } \mathrm { Ba } +→56137​Ba+ ______________

Which of the following nuclides would be stable?

Which two isotopes of bromine would you predict to be stable?

In nuclear fusion,

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

Complete the equation: 12H+38Li→49Be+{ } _ { 1 } ^ { 2 } \mathrm { H } + { } _ { 3 } ^ { 8 } \mathrm { Li } \rightarrow { } _ { 4 } ^ { 9 } \mathrm { Be } +12​H+38​Li→49​Be+ ______________

Which type of atom is the standard on which the atomic mass scale is based?

The process of obtaining energy by splitting a large nucleus is called

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

An electron is emitted by an atomic nucleus in the process called ______________ decay.

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

Most stable types of nuclei have an number of protons and an number of neutrons.

The reaction ${ } _ { 92 } ^ { 236 } \mathrm { U } \rightarrow { } _ { 38 } ^ { 90 } \mathrm { Sr } + { } _ { 54 } ^ { 144 } \mathrm { Xe } + 2 _ { 0 } ^ { 1 } \mathrm { n }$ Is an example of

Complete the equation,and state what type of decay is occurring. ${ } _ { 89 } ^ { 226 } \mathrm { Ac }$ ^* _____________ + γ

How many protons are there in an atom of ${ } _ { 11 } ^ { 23 } \mathrm { Na }$ ?

Complete the equation: ${ } _ { 79 } ^ { 177 } \mathrm { Au } \rightarrow { } _ { 77 } ^ { 173 } \mathrm { Ir } +$ ______________

Tell why each nuclide shown is unstable.Explain your reasoning in each case ${ } _ { 17 } ^ { 33 } \mathrm { Cl } \quad { } _ { 29 } ^ { 64 } \mathrm { Cu } \quad { } _ { 87 } ^ { 223 } \mathrm { Fr }$ .

How many neutrons are there in an atom of ${ } _ { 92 } ^ { 235 } \mathrm { U }$ ?

Complete the equation: ${ } _ { 56 } ^ { 137 } \mathrm { Ba }$ ^* $\rightarrow \quad { } _ { 56 } ^ { 137 } \mathrm { Ba } +$ ______________

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

Complete the equation: ${ } _ { 1 } ^ { 2 } \mathrm { H } + { } _ { 3 } ^ { 8 } \mathrm { Li } \rightarrow { } _ { 4 } ^ { 9 } \mathrm { Be } +$ ______________