Question 1

Which of the following is a property of light?

Accepted Answer

A) It is a wave. 
B) It is a particle. 
C) Its energy comes in packets of uniform size. 
D) all of the above 
E) none of the above 
A) It is a wave. 
B) It is a particle. 
C) Its energy comes in packets of uniform size. 
D) all of the above 
E) none of the above

Question 2

Which of the following elements will most likely be shiny and flexible?

Accepted Answer

A) rhodium (Rh) 
B) hydrogen (H) 
C) helenium (Se) 
D) iodine (I) 
E) silicon (Si) 
A) rhodium (Rh) 
B) hydrogen (H) 
C) helenium (Se) 
D) iodine (I) 
E) silicon (Si)

Question 3

Which chemical family is composed almost entirely of man-made elements?

Accepted Answer

A) the actinides 
B) the lanthanides 
C) the halogens 
D) all of the above 
E) none of the above 
A) the actinides 
B) the lanthanides 
C) the halogens 
D) all of the above 
E) none of the above

Question 4

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 5

Which of the following could NOT be represented by a conceptual model?

Accepted Answer

A) the energy of a nucleus 
B) the floor plan of a house 
C) the weather 
D) the behavior of schoolchildren 
E) both A and B 
A) the energy of a nucleus 
B) the floor plan of a house 
C) the weather 
D) the behavior of schoolchildren 
E) both A and B

Question 6

Which of the following is not a nonmetal?

Accepted Answer

A) titanium (atomic no. = 22) 
B) sulfur (atomic no. = 16) 
C) selenium (atomic no. = 34) 
D) xenon (atomic no. = 54) 
E) helium (atomic no. = 2) 
A) titanium (atomic no. = 22) 
B) sulfur (atomic no. = 16) 
C) selenium (atomic no. = 34) 
D) xenon (atomic no. = 54) 
E) helium (atomic no. = 2)

Question 7

Which of the following describes a nonmetal?

Accepted Answer

A) poor conductor of electricity 
B) shiny 
C) malleable 
D) ductile 
E) good conductor of heat 
A) poor conductor of electricity 
B) shiny 
C) malleable 
D) ductile 
E) good conductor of heat

Question 8

If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element?

Accepted Answer

A) neon-21 
B) neon-11 
C) neon-31 
D) sodium-11 
E) sodium-20 
A) neon-21 
B) neon-11 
C) neon-31 
D) sodium-11 
E) sodium-20

Question 9

How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope?

Accepted Answer

A) You would see a series of very sharp lines of emitted light. 
B) You would see a rainbow of colors. 
C) Light is absorbed by heated elements so you would not see anything. 
D) You would see one line of emitted light, but it would be different for each element. 
E) none of the above 
A) You would see a series of very sharp lines of emitted light. 
B) You would see a rainbow of colors. 
C) Light is absorbed by heated elements so you would not see anything. 
D) You would see one line of emitted light, but it would be different for each element. 
E) none of the above

Question 10

How is the term photon related to the term quantum?

Accepted Answer

A) A quantum of light is actually one photon. 
B) A quantum of photons is equal to the wavelength. 
C) A quantum is a particle of light while a photon is a wave of light. 
D) A quantum is a particle of light exactly one photon long. 
E) A quantum is a wave of light while a packet of quanta equals one photon. 
A) A quantum of light is actually one photon. 
B) A quantum of photons is equal to the wavelength. 
C) A quantum is a particle of light while a photon is a wave of light. 
D) A quantum is a particle of light exactly one photon long. 
E) A quantum is a wave of light while a packet of quanta equals one photon.

Question 11

Using the following generic atom description, choose the correct method for determining the number of neutrons.   X

Accepted Answer

A) subtract G from F 
B) subtract F from G 
C) add F and G 
D) divide F by G 
E) look it up on the periodic table 
A) subtract G from F 
B) subtract F from G 
C) add F and G 
D) divide F by G 
E) look it up on the periodic table

Question 12

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 13

In what sense can you truthfully say that you are a part of every person around you?

Accepted Answer

A) We all live on the same planet and share the same resources. 
B) We are continually exchanging our atoms. 
C) We all share the same genetic code. 
D) There are more people alive now than have ever lived. 
A) We all live on the same planet and share the same resources. 
B) We are continually exchanging our atoms. 
C) We all share the same genetic code. 
D) There are more people alive now than have ever lived.

Question 14

The following statement describes which subatomic particle best? It has a relatively large mass.

Accepted Answer

A) an electron 
B) a proton 
C) a neutron 
D) A and B 
E) B and C 
A) an electron 
B) a proton 
C) a neutron 
D) A and B 
E) B and C

Question 15

Which of the following elements is an alkali metal?

Accepted Answer

A) argon (Ar) 
B) lead (Pb) 
C) cerium (Cr) 
D) indium (In) 
E) lithium (Li) 
A) argon (Ar) 
B) lead (Pb) 
C) cerium (Cr) 
D) indium (In) 
E) lithium (Li)

Question 16

The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays.

Accepted Answer

A) electromagnetic spectrum 
B) electron configuration 
C) probability cloud 
D) frequency dependence 
E) spectroscopic model 
A) electromagnetic spectrum 
B) electron configuration 
C) probability cloud 
D) frequency dependence 
E) spectroscopic model

Question 17

Elements that are in the same ________ have a tendency to have very similar chemical properties due to periodic trends.

Accepted Answer

A) group 
B) period 
C) textbook 
D) compound 
E) row 
A) group 
B) period 
C) textbook 
D) compound 
E) row

Question 18

If you remove two protons and two electrons from a sulfur atom (S), what new element is formed?

Accepted Answer

A) Si 
B) Si+2 
C) Al+2 
D) Al 
E) Ar-2 
A) Si 
B) Si+2 
C) Al+2 
D) Al 
E) Ar-2

Question 19

What is the valence shell?

Accepted Answer

A) It is the outermost shell of electrons in an atom. 
B) It is the shell of electrons in an atom that is the least reactive. 
C) It is the last partially filled orbital in an atom. 
D) It is the shell of electrons in element V (atomic no. = 23) 
E) It is the same as the orbital configuration. 
A) It is the outermost shell of electrons in an atom. 
B) It is the shell of electrons in an atom that is the least reactive. 
C) It is the last partially filled orbital in an atom. 
D) It is the shell of electrons in element V (atomic no. = 23) 
E) It is the same as the orbital configuration.

Question 20

An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes?

Accepted Answer

A) The isotope with the mass of 67 is more abundant than the isotope with the mass of 65. 
B) The isotope with the mass of 65 is more abundant than the isotope with the mass of 67. 
C) The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 67. 
D) The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 65. 
E) All the isotopes have the same relative abundance. 
A) The isotope with the mass of 67 is more abundant than the isotope with the mass of 65. 
B) The isotope with the mass of 65 is more abundant than the isotope with the mass of 67. 
C) The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 67. 
D) The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 65. 
E) All the isotopes have the same relative abundance.

Exam 12: Atoms and the Periodic Table

Which of the following is a property of light?

Which of the following elements will most likely be shiny and flexible?

Which chemical family is composed almost entirely of man-made elements?

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 could NOT be represented by a conceptual model?

Which of the following is not a nonmetal?

Which of the following describes a nonmetal?

If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element?

How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope?

How is the term photon related to the term quantum?

Using the following generic atom description, choose the correct method for determining the number of neutrons. X

Which of these is not a metal?

In what sense can you truthfully say that you are a part of every person around you?

The following statement describes which subatomic particle best? It has a relatively large mass.

Which of the following elements is an alkali metal?

The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays.

Elements that are in the same ________ have a tendency to have very similar chemical properties due to periodic trends.

If you remove two protons and two electrons from a sulfur atom (S), what new element is formed?

What is the valence shell?

An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes?

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 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