Question 1

Carbon dating requires that the object being tested contain

Accepted Answer

A)  charcoal. 
B)  sugar molecules. 
C)  organic material. 
D)  inorganic material. 
E)  none of these 
A)  charcoal. 
B)  sugar molecules. 
C)  organic material. 
D)  inorganic material. 
E)  none of these

Question 2

If carbon were used as nuclear fuel, it would be best

Accepted Answer

A)  fissioned. 
B)  fused. 
C)  either fused or fissioned. 
A)  fissioned. 
B)  fused. 
C)  either fused or fissioned.

Question 3

Radioactivity in the world is something

Accepted Answer

A)  relatively new. 
B)  as old as the world itself. 
A)  relatively new. 
B)  as old as the world itself.

Question 4

When uranium emits a beta particle, the result is a

Accepted Answer

A)  protactinium. 
B)  a transuranic element. 
C)  a different isotope of uranium. 
D)  thorium. 
E)  depends on the isotope of uranium that emits the beta particle 
A)  protactinium. 
B)  a transuranic element. 
C)  a different isotope of uranium. 
D)  thorium. 
E)  depends on the isotope of uranium that emits the beta particle

Question 5

Plutonium is chemically toxic when it is

Accepted Answer

A)  oxidized or non-oxidized. 
B)  oxidized. 
C)  not oxidized. 
D)  Plutonium in any form is not chemically toxic. 
A)  oxidized or non-oxidized. 
B)  oxidized. 
C)  not oxidized. 
D)  Plutonium in any form is not chemically toxic.

Question 6

The half lives of elements beyond uranium are too short for these elements to occur in natural deposits. But elements below uranium that have equally short half lives do occur in natural
Deposits. This is because they are

Accepted Answer

A)  bound with longer-living elements. 
B)  the small leftover of huge abundances when the Earth formed. 
C)  subdued and preserved by pressures beneath the Earth. 
D)  the products of uranium decay. 
A)  bound with longer-living elements. 
B)  the small leftover of huge abundances when the Earth formed. 
C)  subdued and preserved by pressures beneath the Earth. 
D)  the products of uranium decay.

Question 7

Once an alpha particle is outside the nucleus it is

Accepted Answer

A)  quickly bound to a neighboring nucleus. 
B)  electrostatically repelled. 
C)  radioactive. 
D)  free to wander about the nucleus. 
A)  quickly bound to a neighboring nucleus. 
B)  electrostatically repelled. 
C)  radioactive. 
D)  free to wander about the nucleus.

Question 8

When neptunium emits a beta particle the result is

Accepted Answer

A)  uranium. 
B)  lead. 
C)  a different isotope of neptunium. 
D)  plutonium. 
E)  none of these 
A)  uranium. 
B)  lead. 
C)  a different isotope of neptunium. 
D)  plutonium. 
E)  none of these

Question 9

Fusing two helium nuclei yields a net

Accepted Answer

A)  release of energy. 
B)  absorption of energy. 
C)  neither absorption nor release of energy 
A)  release of energy. 
B)  absorption of energy. 
C)  neither absorption nor release of energy

Question 10

When U-238 emits an alpha particle, the nucleus left behind has

Accepted Answer

A)  94 protons. 
B)  90 protons. 
C)  93 protons. 
D)  91 protons. 
E)  92 protons. 
A)  94 protons. 
B)  90 protons. 
C)  93 protons. 
D)  91 protons. 
E)  92 protons.

Question 11

If gold were used as nuclear fuel, it would be best

Accepted Answer

A)  fused. 
B)  fissioned. 
C)  either fused or fissioned. 
A)  fused. 
B)  fissioned. 
C)  either fused or fissioned.

Question 12

The amount of radiation we personally encounter that originates in the Earth's and the atmosphere's natural background is

Accepted Answer

A)  a trace amount. 
B)  about a quarter. 
C)  about half. 
D)  more than half. 
A)  a trace amount. 
B)  about a quarter. 
C)  about half. 
D)  more than half.

Question 13

When U-235 undergoes fission, the two nuclei that result have a total of

Accepted Answer

A)  92 protons. 
B)  90 protons. 
C)  94 protons. 
D)  91 protons. 
E)  93 protons. 
A)  92 protons. 
B)  90 protons. 
C)  94 protons. 
D)  91 protons. 
E)  93 protons.

Question 14

Which experiences the greatest electrical force in an electric field?

Accepted Answer

A)  electron 
B)  gamma ray 
C)  alpha particle 
D)  beta particle 
E)  All experience the same force. 
A)  electron 
B)  gamma ray 
C)  alpha particle 
D)  beta particle 
E)  All experience the same force.

Question 15

In gaseous form, at the same temperature, the average speed of U-238 compared to the speed of U-235 is

Accepted Answer

A)  less. 
B)  more. 
C)  the same. 
A)  less. 
B)  more. 
C)  the same.

Question 16

A nucleon has more mass when it is

Accepted Answer

A)  outside the nucleus. 
B)  inside the nucleus. 
C)  both the same 
A)  outside the nucleus. 
B)  inside the nucleus. 
C)  both the same

Question 17

The function of graphite in the first atomic reactor was to

Accepted Answer

A)  emit fast neutrons. 
B)  slow fast neutrons. 
C)  moderate uranium isotopes. 
D)  absorb fast neutrons. 
E)  none of these 
A)  emit fast neutrons. 
B)  slow fast neutrons. 
C)  moderate uranium isotopes. 
D)  absorb fast neutrons. 
E)  none of these

Question 18

If an alpha particle and a beta particle have the same energy, which particle will penetrate farther into an object?

Accepted Answer

A)  alpha particle 
B)  beta particle 
C)  They both penetrate the same distance. 
A)  alpha particle 
B)  beta particle 
C)  They both penetrate the same distance.

Question 19

A nucleon has the least mass in the nucleus of

Accepted Answer

A)  hydrogen. 
B)  plutonium. 
C)  uranium. 
D)  lead. 
E)  iron. 
A)  hydrogen. 
B)  plutonium. 
C)  uranium. 
D)  lead. 
E)  iron.

Question 20

U-235 and Pu-239 are both

Accepted Answer

A)  fissionable isotopes. 
B)  radioactive isotopes. 
C)  heavier than lead. 
D)  all of these 
E)  none of these 
A)  fissionable isotopes. 
B)  radioactive isotopes. 
C)  heavier than lead. 
D)  all of these 
E)  none of these

Carbon dating requires that the object being tested contain

If carbon were used as nuclear fuel, it would be best

Radioactivity in the world is something

When uranium emits a beta particle, the result is a

Plutonium is chemically toxic when it is

The half lives of elements beyond uranium are too short for these elements to occur in natural deposits. But elements below uranium that have equally short half lives do occur in natural Deposits. This is because they are

Once an alpha particle is outside the nucleus it is

When neptunium emits a beta particle the result is

Fusing two helium nuclei yields a net

When U-238 emits an alpha particle, the nucleus left behind has

If gold were used as nuclear fuel, it would be best

The amount of radiation we personally encounter that originates in the Earth's and the atmosphere's natural background is

When U-235 undergoes fission, the two nuclei that result have a total of

Which experiences the greatest electrical force in an electric field?

In gaseous form, at the same temperature, the average speed of U-238 compared to the speed of U-235 is

A nucleon has more mass when it is

The function of graphite in the first atomic reactor was to

If an alpha particle and a beta particle have the same energy, which particle will penetrate farther into an object?

A nucleon has the least mass in the nucleus of

U-235 and Pu-239 are both

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Exam 16: The Atomic Nucleus and Radioactivity

Carbon dating requires that the object being tested contain

If carbon were used as nuclear fuel, it would be best

Radioactivity in the world is something

When uranium emits a beta particle, the result is a

Plutonium is chemically toxic when it is

The half lives of elements beyond uranium are too short for these elements to occur in natural deposits. But elements below uranium that have equally short half lives do occur in natural Deposits. This is because they are

Once an alpha particle is outside the nucleus it is

When neptunium emits a beta particle the result is

Fusing two helium nuclei yields a net

When U-238 emits an alpha particle, the nucleus left behind has

If gold were used as nuclear fuel, it would be best

The amount of radiation we personally encounter that originates in the Earth's and the atmosphere's natural background is

When U-235 undergoes fission, the two nuclei that result have a total of

Which experiences the greatest electrical force in an electric field?

In gaseous form, at the same temperature, the average speed of U-238 compared to the speed of U-235 is

A nucleon has more mass when it is

The function of graphite in the first atomic reactor was to

If an alpha particle and a beta particle have the same energy, which particle will penetrate farther into an object?

A nucleon has the least mass in the nucleus of

U-235 and Pu-239 are both

About Science

Atoms

Equilibrium and Linear Motion

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light Waves

Properties of Light

Quantum Theory

Physics of Rotation and Equilibrium

Filters