Question 1

The shell model presented in this book is not very accurate.Why then is it presented?

Accepted Answer

A) It reminds us that the study of matter relates to the solar system. 
B) Most instructors are not good enough artists to duplicate the complicated artwork of true model on the chalk board for explanation purposes. 
C) The shell model is derived from classical physics,which is still the most widely accepted approach to understanding atomic theory. 
D) The shell model is simpler and easy to understand. 
A) It reminds us that the study of matter relates to the solar system. 
B) Most instructors are not good enough artists to duplicate the complicated artwork of true model on the chalk board for explanation purposes. 
C) The shell model is derived from classical physics,which is still the most widely accepted approach to understanding atomic theory. 
D) The shell model is simpler and easy to understand.

Question 2

The repeating trends that take place when examining the elements are called

Accepted Answer

A) periodic. 
B) the family cycle. 
C) the metal shift. 
D) a group conscience. 
E) none of the above 
A) periodic. 
B) the family cycle. 
C) the metal shift. 
D) a group conscience. 
E) none of the above

Question 3

Which of the following images could describe an element at the atomic level?

Accepted Answer

A)    
B)    
C)    
D) none of the images 
E) all of the images 
A)    
B)    
C)    
D) none of the images 
E) all of the images

Question 4

What is the main difference between a conceptual model and a physical model?

Accepted Answer

A) A physical model represents shape and form while a conceptual model describes behavior. 
B) A conceptual model represents shape and form while a physical model describes behavior. 
C) Only physical models can be used to represent the real world. 
D) Only conceptual models can be used to depict concepts. 
E) Physical models and conceptual models can be used to describe the same things. 
A) A physical model represents shape and form while a conceptual model describes behavior. 
B) A conceptual model represents shape and form while a physical model describes behavior. 
C) Only physical models can be used to represent the real world. 
D) Only conceptual models can be used to depict concepts. 
E) Physical models and conceptual models can be used to describe the same things.

Question 5

If all the molecules of a body remained part of that body,would the body have any odor?

Accepted Answer

A) Yes,but only if that body is sweating. 
B) No,because there would be no molecules traveling to our nose. 
C) Yes,because it would still release photons. 
D) No,because it would no longer be what it was. 
A) Yes,but only if that body is sweating. 
B) No,because there would be no molecules traveling to our nose. 
C) Yes,because it would still release photons. 
D) No,because it would no longer be what it was.

Question 6

Would you use a physical model or a conceptual model to describe the following: the brain; the mind; the solar system; the beginning of the universe?

Accepted Answer

A) conceptual; physical; conceptual physical 
B) conceptual; conceptual; conceptual; conceptual 
C) physical; conceptual; physical; conceptual 
D) physical; physical; physical; physical 
A) conceptual; physical; conceptual physical 
B) conceptual; conceptual; conceptual; conceptual 
C) physical; conceptual; physical; conceptual 
D) physical; physical; physical; physical

Question 7

When a rainbow of colors of light are combined into a single ray it forms

Accepted Answer

A) white. 
B) black. 
C) an intense rainbow of colors. 
D) It's not possible to combine colors once separated. 
A) white. 
B) black. 
C) an intense rainbow of colors. 
D) It's not possible to combine colors once separated.

Question 8

Which of the following is most easily understood to be quantized?

Accepted Answer

A) the number of eggs in an egg carton 
B) the amount of water in a glass 
C) the volume of air in a balloon 
D) the amount of time in an hour 
E) none of the above 
A) the number of eggs in an egg carton 
B) the amount of water in a glass 
C) the volume of air in a balloon 
D) the amount of time in an hour 
E) none of the above

Question 9

Considering how small atoms are,what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath?

Accepted Answer

A) Not very likely because atoms are constantly dematerializing. 
B) Not possible at all because atom don't last that long. 
C) Very probable because atoms are incredibly small. 
D) There's not really a way that scientists are able to make such an estimate. 
A) Not very likely because atoms are constantly dematerializing. 
B) Not possible at all because atom don't last that long. 
C) Very probable because atoms are incredibly small. 
D) There's not really a way that scientists are able to make such an estimate.

Question 10

About how many elements do you have access to as a consumer of market goods?

Accepted Answer

A) none 
B) one 
C) ten 
D) one hundred 
A) none 
B) one 
C) ten 
D) one hundred

Question 11

An atom absorbs or emits only particular frequencies of light.White light bends into a glass prism and separates into a rainbow of colors.In which of these two scenarios does the electromagnetic radiation behave as a wave? As a particle?

Accepted Answer

A) Absorption of light shows wave behavior while bending of light shows particle behavior. 
B) Absorption of light shows particle behavior while bending of light shows wave behavior. 
C) Both absorption and bending of light show particle behavior. 
D) Both absorption and bending of light show wave behavior. 
A) Absorption of light shows wave behavior while bending of light shows particle behavior. 
B) Absorption of light shows particle behavior while bending of light shows wave behavior. 
C) Both absorption and bending of light show particle behavior. 
D) Both absorption and bending of light show wave behavior.

Question 12

Which of the following is not the name of a chemical family?

Accepted Answer

A) heavy metals 
B) transition metals 
C) alkali metals 
D) alkaline-earth metals 
E) noble gases 
A) heavy metals 
B) transition metals 
C) alkali metals 
D) alkaline-earth metals 
E) noble gases

Question 13

What does the following element description actually mean? hydrogen-2

Accepted Answer

A) a hydrogen with one neutron and one proton 
B) a hydrogen with two neutrons 
C) a hydrogen with two protons 
D) a molecule of hydrogen gas 
E) two hydrogen atoms 
A) a hydrogen with one neutron and one proton 
B) a hydrogen with two neutrons 
C) a hydrogen with two protons 
D) a molecule of hydrogen gas 
E) two hydrogen atoms

Question 14

Which of these is not a metal?

Accepted Answer

A) selenium (atomic no.= 34) 
B) gallium (atomic no.= 31) 
C) lithium (atomic no.= 3) 
D) potassium (atomic no.= 19) 
E) vanadium (atomic no.= 23) 
A) selenium (atomic no.= 34) 
B) gallium (atomic no.= 31) 
C) lithium (atomic no.= 3) 
D) potassium (atomic no.= 19) 
E) vanadium (atomic no.= 23)

Question 15

If a neutral element has the following chemical notation,how many electrons does it have? carbon-13

Accepted Answer

A) 6 
B) 12 
C) 13 
D) 7 
E) none of the above 
A) 6 
B) 12 
C) 13 
D) 7 
E) none of the above

Question 16

What is the relationship between the light emitted by an atom and the energies of the electrons in the atom?

Accepted Answer

A) The larger the atom,the greater the number of electrons and therefore the greater the frequency of a light. 
B) The energies of the electrons of an atom are directly proportional to the wavelength of light emitted and therefore inversely proportional to the frequency of the light emitted. 
C) The greater the frequency of a photon of light,the greater the energy packed into that photon. 
D) The light emitted by an atom is a function of its nuclear density and its ability to absorb and reflect various wavelengths of light from the electromagnetic spectrum. 
A) The larger the atom,the greater the number of electrons and therefore the greater the frequency of a light. 
B) The energies of the electrons of an atom are directly proportional to the wavelength of light emitted and therefore inversely proportional to the frequency of the light emitted. 
C) The greater the frequency of a photon of light,the greater the energy packed into that photon. 
D) The light emitted by an atom is a function of its nuclear density and its ability to absorb and reflect various wavelengths of light from the electromagnetic spectrum.

Question 17

Which of these properties describes a metal?

Accepted Answer

A) conducts heat very well 
B) brittle 
C) fragile 
D) transparent 
E) doesn't conduct electricity very well 
A) conducts heat very well 
B) brittle 
C) fragile 
D) transparent 
E) doesn't conduct electricity very well

Question 18

The color of a firework comes from the glowing of

Accepted Answer

A) molecules. 
B) atoms. 
C) gun powder. 
D) laser light. 
A) molecules. 
B) atoms. 
C) gun powder. 
D) laser light.

Question 19

If an element has 15 protons and 16 neutrons and 15 electrons,what is the mass number of the element?

Accepted Answer

A) 31 
B) 15 
C) 16 
D) 30 
E) none of the above 
A) 31 
B) 15 
C) 16 
D) 30 
E) none of the above

Question 20

Which of the following statements is true about Bohr's planetary model of the atom?

Accepted Answer

A) The electrons actually orbit around the nucleus. 
B) It is a physical model. 
C) The energy difference between the orbits is continuous. 
D) The electrons smoothly move from one orbit to the next. 
E) none of the above 
A) The electrons actually orbit around the nucleus. 
B) It is a physical model. 
C) The energy difference between the orbits is continuous. 
D) The electrons smoothly move from one orbit to the next. 
E) none of the above

Exam 12: Atoms and the Periodic Table

The shell model presented in this book is not very accurate.Why then is it presented?

The repeating trends that take place when examining the elements are called

Which of the following images could describe an element at the atomic level?

What is the main difference between a conceptual model and a physical model?

If all the molecules of a body remained part of that body,would the body have any odor?

Would you use a physical model or a conceptual model to describe the following: the brain; the mind; the solar system; the beginning of the universe?

When a rainbow of colors of light are combined into a single ray it forms

Which of the following is most easily understood to be quantized?

Considering how small atoms are,what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath?

About how many elements do you have access to as a consumer of market goods?

An atom absorbs or emits only particular frequencies of light.White light bends into a glass prism and separates into a rainbow of colors.In which of these two scenarios does the electromagnetic radiation behave as a wave? As a particle?

Which of the following is not the name of a chemical family?

What does the following element description actually mean? hydrogen-2

Which of these is not a metal?

If a neutral element has the following chemical notation,how many electrons does it have? carbon-13

What is the relationship between the light emitted by an atom and the energies of the electrons in the atom?

Which of these properties describes a metal?

The color of a firework comes from the glowing of

If an element has 15 protons and 16 neutrons and 15 electrons,what is the mass number of the element?

Which of the following statements is true about Bohr's planetary model of the atom?

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

The Atomic Nucleus and Radioactivity

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 Time - Reading 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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