Question 1

What is the ground state electron configuration of carbon?

Accepted Answer

A) 2s22p4 
B) 1s22s22p63s2 
C) 1s21p22s2 
D) 1s22s22p2 
E) none of the above are correct 
A) 2s22p4 
B) 1s22s22p63s2 
C) 1s21p22s2 
D) 1s22s22p2 
E) none of the above are correct

Question 2

What is the ground state electron configuration of iron?

Accepted Answer

A) [Ar] 3d8 
B) [Ar] 4s23d6 
C) [Ne] 3d104s2 
D) [Ar] 4s13d8 
E) none of the above is correct 
A) [Ar] 3d8 
B) [Ar] 4s23d6 
C) [Ne] 3d104s2 
D) [Ar] 4s13d8 
E) none of the above is correct

Question 3

Which of the following lists electron sublevels in order of increasing energy?

Accepted Answer

A) 4p < 3d < 4s < 3p < 3s 
B) 4p < 4s < 3d < 3p < 3s 
C) 3s < 3p < 4s < 3d < 4p 
D) 3s < 3p < 3d < 4s < 4p 
E) 3s < 4s < 3p < 4p < 3d 
A) 4p < 3d < 4s < 3p < 3s 
B) 4p < 4s < 3d < 3p < 3s 
C) 3s < 3p < 4s < 3d < 4p 
D) 3s < 3p < 3d < 4s < 4p 
E) 3s < 4s < 3p < 4p < 3d

Question 4

How many orbitals are in the 3p sublevel?

Accepted Answer

A) 1 
B) 3 
C) 5 
D) 7 
E) 9 
A) 1 
B) 3 
C) 5 
D) 7 
E) 9

Question 5

Identify the statement among the following that combines a correct cause with a correct effect of that cause.

Accepted Answer

A) Sulfur atoms are smaller than phosphorus atoms because sulfur has a smaller atomic number 
B) The radius of calcium atoms is greater than the radius of magnesium atoms because ground state electrons occupy a higher energy level in calcium than in magnesium 
C) Atomic size increases from left to right in a row of the periodic table because density increases in the same direction 
D) The relative sizes of silicon atoms and aluminum atoms are not predictable on the basis of nuclear charge and highest occupied energy level because one factor predicts silicon atoms to be larger, and the other factor predicts aluminum atoms to be larger 
E) More than one of the above statements combines a correct cause with a correct effect of that cause 
A) Sulfur atoms are smaller than phosphorus atoms because sulfur has a smaller atomic number 
B) The radius of calcium atoms is greater than the radius of magnesium atoms because ground state electrons occupy a higher energy level in calcium than in magnesium 
C) Atomic size increases from left to right in a row of the periodic table because density increases in the same direction 
D) The relative sizes of silicon atoms and aluminum atoms are not predictable on the basis of nuclear charge and highest occupied energy level because one factor predicts silicon atoms to be larger, and the other factor predicts aluminum atoms to be larger 
E) More than one of the above statements combines a correct cause with a correct effect of that cause

Question 6

Which of the following statements is/are correct?
i.Wavelength is the distance between identical parts of a wave
ii.Frequency is the number of complete waves passing a point in a given period of time
iii.The speed of light is equal to the product of the wavelength and frequency of an electromagnetic wave

Accepted Answer

A) i only 
B) iii only 
C) i and ii 
D) ii and iii 
E) i, ii, and iii 
A) i only 
B) iii only 
C) i and ii 
D) ii and iii 
E) i, ii, and iii

Question 7

How many of the following elements belong to the chemical family known as the alkaline earths? sodium,magnesium,chlorine,neon,calcium,bromine,argon,fluorine,helium,hydrogen

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 8

Which of the following statements about atomic spectra is incorrect?

Accepted Answer

A) An atom must absorb energy before it can emit a spectral line 
B) Only atoms in the ground state can radiate energy 
C) An electron dropping between two specific energy levels always emits the identical spectral line 
D) No two elements have identical atomic spectra 
E) All of the statements above are correct (choosing this statement indicates that it is correct) 
A) An atom must absorb energy before it can emit a spectral line 
B) Only atoms in the ground state can radiate energy 
C) An electron dropping between two specific energy levels always emits the identical spectral line 
D) No two elements have identical atomic spectra 
E) All of the statements above are correct (choosing this statement indicates that it is correct)

Question 9

Which of the following statements correctly describes the relationship between principal energy levels of an electron and the principal quantum number?

Accepted Answer

A) Energy levels have no relationship to principal quantum number 
B) In general, energy levels increase in the principal quantum number order s < p < d < f 
C) In general, energy levels decrease as principal quantum number orbital occupancy increases 
D) In general, energies decrease as the principal quantum number increases 
E) In general, energies increase as the principal quantum number increases 
A) Energy levels have no relationship to principal quantum number 
B) In general, energy levels increase in the principal quantum number order s < p < d < f 
C) In general, energy levels decrease as principal quantum number orbital occupancy increases 
D) In general, energies decrease as the principal quantum number increases 
E) In general, energies increase as the principal quantum number increases

Question 10

Which of the following correctly lists the elements sodium,silicon,and chlorine in order of decreasing first ionization energy?

Accepted Answer

A) Cl > Si > Na 
B) Na > Cl > Si 
C) Na > Si > Cl 
D) Cl > Na > Si 
E) Si > Na > Cl 
A) Cl > Si > Na 
B) Na > Cl > Si 
C) Na > Si > Cl 
D) Cl > Na > Si 
E) Si > Na > Cl

Question 11

Consider the following periodic table.   In what numbered section would the elements used in semiconductors be found?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 12

Complete the statement with the best choice: Excited states for the hydrogen atom are states in which:

Accepted Answer

A) electrons are found after they have released energy 
B) electrons are more stable than in the ground state 
C) the electron has more energy than in the ground state 
D) electrons orbit in opposite directions as in the ground state 
E) electrons orbit closer to the nucleus than in the ground state 
A) electrons are found after they have released energy 
B) electrons are more stable than in the ground state 
C) the electron has more energy than in the ground state 
D) electrons orbit in opposite directions as in the ground state 
E) electrons orbit closer to the nucleus than in the ground state

Question 13

Which of the following statements is true?

Accepted Answer

A) The dark bands in a rainbow are examples of line spectra 
B) The light from neon signs is used as a source for producing continuous spectra 
C) The light from standard light bulbs is used as a source for producing line spectra 
D) A continuous spectrum consists of an uninterrupted distribution of colored light 
E) A continuous spectrum results when light from a heated elemental substance passes through a prism 
A) The dark bands in a rainbow are examples of line spectra 
B) The light from neon signs is used as a source for producing continuous spectra 
C) The light from standard light bulbs is used as a source for producing line spectra 
D) A continuous spectrum consists of an uninterrupted distribution of colored light 
E) A continuous spectrum results when light from a heated elemental substance passes through a prism

Question 14

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns2np4?

Accepted Answer

A) 16 and 52 
B) 40 and 72 
C) 24 and 42 
D) 9 and 17 
E) 14 and 32 
A) 16 and 52 
B) 40 and 72 
C) 24 and 42 
D) 9 and 17 
E) 14 and 32

Question 15

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns2np2?

Accepted Answer

A) 23 and 26 
B) 4 and 20 
C) 30 and 80 
D) 6 and 82 
E) 22 and 72 
A) 23 and 26 
B) 4 and 20 
C) 30 and 80 
D) 6 and 82 
E) 22 and 72

Question 16

Which of the following statements is/are incorrect?
i.The Bohr model successfully predicts energies in the ultraviolet portion of the hydrogen spectrum
ii.The Bohr model successfully predicts energies in the infrared portions of the sodium spectrum
iii.The Bohr model associates electron energy with the radius at which an electron orbits the nucleus
iv.The Bohr model does not explain the failure of an electron to lose energy as it travels a circular path around a nucleus

Accepted Answer

A) i only 
B) ii only 
C) iii only 
D) iv only 
E) iii and iv 
A) i only 
B) ii only 
C) iii only 
D) iv only 
E) iii and iv

Question 17

The Bohr model of the hydrogen atom gives specific information about all of the following except i.Electron paths
ii.Orbital shapes
iii.Atomic radius
iv.Electron energies
v.Restrictions on the electron population of an orbital

Accepted Answer

A) i only 
B) ii only 
C) iii only 
D) iv only 
E) ii and v 
A) i only 
B) ii only 
C) iii only 
D) iv only 
E) ii and v

Question 18

Which of the following statements is/are incorrect?
i.For each value of n the number of sublevels is also n
ii.There is an s sublevel for every value of n
iii.Some principal energy levels have no f sublevels
iv.There is no d sublevel when n = 3

Accepted Answer

A) i only 
B) ii only 
C) iii only 
D) iv only 
E) ii and iv 
A) i only 
B) ii only 
C) iii only 
D) iv only 
E) ii and iv

Question 19

Which of the following correctly lists the elements helium,neon,and argon in order of increasing first ionization energy?

Accepted Answer

A) He < Ne < Ar 
B) He < Ar < Ne 
C) Ar < Ne < He 
D) Ar < He < Ne 
E) Ne < Ar < He 
A) He < Ne < Ar 
B) He < Ar < Ne 
C) Ar < Ne < He 
D) Ar < He < Ne 
E) Ne < Ar < He

Question 20

Consider the following periodic table.   Which numbered section represents the most metallic elements?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

What is the ground state electron configuration of carbon?

What is the ground state electron configuration of iron?

Which of the following lists electron sublevels in order of increasing energy?

How many orbitals are in the 3p sublevel?

Identify the statement among the following that combines a correct cause with a correct effect of that cause.

How many of the following elements belong to the chemical family known as the alkaline earths? sodium,magnesium,chlorine,neon,calcium,bromine,argon,fluorine,helium,hydrogen

Which of the following statements about atomic spectra is incorrect?

Which of the following statements correctly describes the relationship between principal energy levels of an electron and the principal quantum number?

Which of the following correctly lists the elements sodium,silicon,and chlorine in order of decreasing first ionization energy?

Consider the following periodic table. In what numbered section would the elements used in semiconductors be found?

Complete the statement with the best choice: Excited states for the hydrogen atom are states in which:

Which of the following statements is true?

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns²np⁴?

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns²np²?

The Bohr model of the hydrogen atom gives specific information about all of the following except i.Electron paths ii.Orbital shapes iii.Atomic radius iv.Electron energies v.Restrictions on the electron population of an orbital

Which of the following statements is/are incorrect? i.For each value of n the number of sublevels is also n ii.There is an s sublevel for every value of n iii.Some principal energy levels have no f sublevels iv.There is no d sublevel when n = 3

Which of the following correctly lists the elements helium,neon,and argon in order of increasing first ionization energy?

Consider the following periodic table. Which numbered section represents the most metallic elements?

Matter and Energy

Measurement and Chemical Calculations

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Nomenclature

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Chemical Bonding

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

Solutions

Acidbase Proton Transferreactions

Chemical Equilibrium

Oxidationreduction Electron Transferreactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 11: Atomic Theory: The Quantum Model of the Atom

What is the ground state electron configuration of carbon?

What is the ground state electron configuration of iron?

Which of the following lists electron sublevels in order of increasing energy?

How many orbitals are in the 3p sublevel?

Identify the statement among the following that combines a correct cause with a correct effect of that cause.

How many of the following elements belong to the chemical family known as the alkaline earths? sodium,magnesium,chlorine,neon,calcium,bromine,argon,fluorine,helium,hydrogen

Which of the following statements about atomic spectra is incorrect?

Which of the following statements correctly describes the relationship between principal energy levels of an electron and the principal quantum number?

Which of the following correctly lists the elements sodium,silicon,and chlorine in order of decreasing first ionization energy?

Consider the following periodic table. In what numbered section would the elements used in semiconductors be found?

Complete the statement with the best choice: Excited states for the hydrogen atom are states in which:

Which of the following statements is true?

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns2np4?

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns2np2?

The Bohr model of the hydrogen atom gives specific information about all of the following except i.Electron paths ii.Orbital shapes iii.Atomic radius iv.Electron energies v.Restrictions on the electron population of an orbital

Which of the following statements is/are incorrect? i.For each value of n the number of sublevels is also n ii.There is an s sublevel for every value of n iii.Some principal energy levels have no f sublevels iv.There is no d sublevel when n = 3

Which of the following correctly lists the elements helium,neon,and argon in order of increasing first ionization energy?

Consider the following periodic table. Which numbered section represents the most metallic elements?

Matter and Energy

Measurement and Chemical Calculations

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Nomenclature

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Chemical Bonding

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

Solutions

Acidbase Proton Transferreactions

Chemical Equilibrium

Oxidationreduction Electron Transferreactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns²np⁴?

Which of the following pairs of atomic numbers belong to elements whose atoms have the highest occupied energy level electron configuration of the form ns²np²?