Question 1

Which of the beams is due to alpha particles?

Accepted Answer

A) a 
B) b 
C) c 
D) all of the above 
E) none of the above 
A) a 
B) b 
C) c 
D) all of the above 
E) none of the above

Question 2

When   Ra decays by emitting an alpha particle, what is the atomic number of the resulting nucleus? What is the resulting atomic mass?

Accepted Answer

A) atomic number = 86; atomic mass = 222 
B) atomic number = 87; atomic mass = 226 
C) atomic number = 86; atomic mass = 224 
D) atomic number = 87; atomic mass = 224 
A) atomic number = 86; atomic mass = 222 
B) atomic number = 87; atomic mass = 226 
C) atomic number = 86; atomic mass = 224 
D) atomic number = 87; atomic mass = 224

Question 3

What evidence supports the contention that the strong nuclear force is stronger than the electrical interaction at short inter-nuclear distances?

Accepted Answer

A) Protons are able to exist side-by-side within an atomic nucleus. 
B) Neutrons spontaneously decay into protons and electrons. 
C) Uranium deposits are always slightly warmer than their immediate surroundings. 
D) The radio interference that arises adjacent to any radioactive source. 
A) Protons are able to exist side-by-side within an atomic nucleus. 
B) Neutrons spontaneously decay into protons and electrons. 
C) Uranium deposits are always slightly warmer than their immediate surroundings. 
D) The radio interference that arises adjacent to any radioactive source.

Question 4

Which of the beams is due to a positively charged helium nucleus?

Accepted Answer

A) a 
B) b 
C) c 
D) all of the above 
E) none of the above 
A) a 
B) b 
C) c 
D) all of the above 
E) none of the above

Which of the beams is due to alpha particles?

When Ra decays by emitting an alpha particle, what is the atomic number of the resulting nucleus? What is the resulting atomic mass?

What evidence supports the contention that the strong nuclear force is stronger than the electrical interaction at short inter-nuclear distances?

Which of the beams is due to a positively charged helium nucleus?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Timereading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: the Nature of Science

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Exam 13: The Atomic Nucleus and Radioactivity

Which of the beams is due to alpha particles?

When Ra decays by emitting an alpha particle, what is the atomic number of the resulting nucleus? What is the resulting atomic mass?

What evidence supports the contention that the strong nuclear force is stronger than the electrical interaction at short inter-nuclear distances?

Which of the beams is due to a positively charged helium nucleus?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Timereading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: the Nature of Science

Filters