Question 1

What is the number of outer shell electrons in fluorine?

Accepted Answer

A)  2 
B)  5 
C)  7 
D)  9 
A)  2 
B)  5 
C)  7 
D)  9

Question 2

Classify each of the following as ground state, excited state, or impossible electronic configurations.
-1s22s22p63s23p64s23d5

Accepted Answer

A) Excited State 
B) Ground State 
C) Impossible State 
A) Excited State 
B) Ground State 
C) Impossible State

Question 3

If an element has a small electron affinity value it can easily lose an electron.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following cations will have the electronic configuration 1s22s22p63s23p6?

Accepted Answer

A)  CO₂+ 
B)  Ca₂+ 
C)  Sc1+ 
D)  Cl1+ 
A)  CO₂+ 
B)  Ca₂+ 
C)  Sc1+ 
D)  Cl1+

Question 5

Halogens have large electron affinity values.

Accepted Answer

A) True 
 B)False

Question 6

Match each element with the most likely valence charge.
-Ca

Accepted Answer

A) (+4 or -4) 
B) (0) 
C) (-2) 
D) (+1) 
E) (+2)
F)(-3)
G)(+3)
H)(-1) 
A) (+4 or -4) 
B) (0) 
C) (-2) 
D) (+1) 
E) (+2)
F)(-3)
G)(+3)
H)(-1)

Question 7

Which of the following elements never obeys the octet rule?

Accepted Answer

A)  hydrogen 
B)  nitrogen 
C)  carbon 
D)  chlorine 
A)  hydrogen 
B)  nitrogen 
C)  carbon 
D)  chlorine

Question 8

Match the scientist with his contribution.
-Erwin Schrödinger

Accepted Answer

A) Proposed that the electrons inside of an atom could only have specific, discrete amounts of energy. 
B) Proposed energy quantization to explain the energy characteristics of light emitted by heated objects. 
C) Developed the model of an atom. 
D) Suggested the existence of a tiny, massive positively charged nucleus. 
A) Proposed that the electrons inside of an atom could only have specific, discrete amounts of energy. 
B) Proposed energy quantization to explain the energy characteristics of light emitted by heated objects. 
C) Developed the model of an atom. 
D) Suggested the existence of a tiny, massive positively charged nucleus.

Question 9

Match every binary compound with the correct coefficient of x and y .
-AlxSy

Accepted Answer

A) x = 2, y = 1 
B) x = 1, y = 2 
C) x = 2, y = 3 
D) x = 4, y = 1 
E) x = 1, y = 1 or x =1, y = 2
F)x = 3, y = 2
G)x = 1, y = 3
H)x = 1, y = 4
I)x = 3, y = 1
J)x = 1, y = 1 
A) x = 2, y = 1 
B) x = 1, y = 2 
C) x = 2, y = 3 
D) x = 4, y = 1 
E) x = 1, y = 1 or x =1, y = 2
F)x = 3, y = 2
G)x = 1, y = 3
H)x = 1, y = 4
I)x = 3, y = 1
J)x = 1, y = 1

Question 10

How many valence electrons are in silicon?

Accepted Answer

A)  2 
B)  4 
C)  5 
D)  7 
A)  2 
B)  4 
C)  5 
D)  7

Question 11

The ion that has 14 protons and 18 electrons is ________.

Accepted Answer

A)  SI₄+ 
B)  SI₄- 
C)  N₄+ 
D)  N₄- 
A)  SI₄+ 
B)  SI₄- 
C)  N₄+ 
D)  N₄-

Question 12

Classify each of the following as ground state, excited state, or impossible electronic configurations.
-1s22s22p63s23p8

Accepted Answer

A) Excited State 
B) Ground State 
C) Impossible State 
A) Excited State 
B) Ground State 
C) Impossible State

Question 13

Match every binary compound with the correct coefficient of x and y .
-MgxOy

Accepted Answer

A) x = 2, y = 1 
B) x = 1, y = 2 
C) x = 2, y = 3 
D) x = 4, y = 1 
E) x = 1, y = 1 or x =1, y = 2
F)x = 3, y = 2
G)x = 1, y = 3
H)x = 1, y = 4
I)x = 3, y = 1
J)x = 1, y = 1 
A) x = 2, y = 1 
B) x = 1, y = 2 
C) x = 2, y = 3 
D) x = 4, y = 1 
E) x = 1, y = 1 or x =1, y = 2
F)x = 3, y = 2
G)x = 1, y = 3
H)x = 1, y = 4
I)x = 3, y = 1
J)x = 1, y = 1

Question 14

Match each element with the most likely valence charge.
-Al

Accepted Answer

A) (+4 or -4) 
B) (0) 
C) (-2) 
D) (+1) 
E) (+2)
F)(-3)
G)(+3)
H)(-1) 
A) (+4 or -4) 
B) (0) 
C) (-2) 
D) (+1) 
E) (+2)
F)(-3)
G)(+3)
H)(-1)

Question 15

What is the trend in atomic size in the series of Group IIA elements Be through Ra?

Accepted Answer

A)  Atomic size increases in this series. 
B)  Atomic size decreases in this series. 
C)  Atomic size remains unchanged in this series. 
D)  Atomic size increases at first, then decreases in this series. 
A)  Atomic size increases in this series. 
B)  Atomic size decreases in this series. 
C)  Atomic size remains unchanged in this series. 
D)  Atomic size increases at first, then decreases in this series.

Question 16

Match the following species with the corresponding electronic configuration.
-S

Accepted Answer

A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p64s2 
D) 1s22s22p63s23p1 
E) 1s22s22p63s23p4
F)1s22s22p63s23p6
G)1s22s22p6
H)1s22s22p63s23p5 
A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p64s2 
D) 1s22s22p63s23p1 
E) 1s22s22p63s23p4
F)1s22s22p63s23p6
G)1s22s22p6
H)1s22s22p63s23p5

Question 17

The elements of Group VIIIA are almost entirely non-reactive with any of the other chemical elements. Which of the following statements best explains this observed behavior?

Accepted Answer

A)  Group VIIIA elements comply with the octet rule. 
B)  Group VIIIA elements are so rare that no one has ever studied their reactive properties in any detail. 
C)  Group VIIIA elements are all gases, and gases are generally non-reactive. 
D)  No explanation given here can explain why Group VIIIA elements do not react with any of the other chemical elements. 
A)  Group VIIIA elements comply with the octet rule. 
B)  Group VIIIA elements are so rare that no one has ever studied their reactive properties in any detail. 
C)  Group VIIIA elements are all gases, and gases are generally non-reactive. 
D)  No explanation given here can explain why Group VIIIA elements do not react with any of the other chemical elements.

Question 18

For the electron of a hydrogen atom, which of the following quantum "jumps" requires the most energy?

Accepted Answer

A)  from n = 3 to n = 4 
B)  from n = 2 to n = 3 
C)  from n = 4 to n = 5 
D)  from n = 1 to n = 2 
A)  from n = 3 to n = 4 
B)  from n = 2 to n = 3 
C)  from n = 4 to n = 5 
D)  from n = 1 to n = 2

Question 19

Modern atomic theory places electrons into complex mathematical probability functions called "orbitals."

Accepted Answer

A) True 
 B)False

Question 20

Match the following species with the corresponding electronic configuration.
-N3-

Accepted Answer

A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p64s2 
D) 1s22s22p63s23p1 
E) 1s22s22p63s23p4
F)1s22s22p63s23p6
G)1s22s22p6
H)1s22s22p63s23p5 
A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p64s2 
D) 1s22s22p63s23p1 
E) 1s22s22p63s23p4
F)1s22s22p63s23p6
G)1s22s22p6
H)1s22s22p63s23p5

What is the number of outer shell electrons in fluorine?

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s²2s²2p⁶3s²3p⁶4s²3d⁵

If an element has a small electron affinity value it can easily lose an electron.

Which of the following cations will have the electronic configuration 1s²2s²2p⁶3s²3p⁶?

Halogens have large electron affinity values.

Match each element with the most likely valence charge. -Ca

Which of the following elements never obeys the octet rule?

Match the scientist with his contribution. -Erwin Schrödinger

Match every binary compound with the correct coefficient of x and y . -AlxSy

How many valence electrons are in silicon?

The ion that has 14 protons and 18 electrons is ________.

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s²2s²2p⁶3s²3p⁸

Match every binary compound with the correct coefficient of x and y . -MgxOy

Match each element with the most likely valence charge. -Al

What is the trend in atomic size in the series of Group IIA elements Be through Ra?

Match the following species with the corresponding electronic configuration. -S

The elements of Group VIIIA are almost entirely non-reactive with any of the other chemical elements. Which of the following statements best explains this observed behavior?

For the electron of a hydrogen atom, which of the following quantum "jumps" requires the most energy?

Modern atomic theory places electrons into complex mathematical probability functions called "orbitals."

Match the following species with the corresponding electronic configuration. -N^3-

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 4: The Modern Model of the Atom

What is the number of outer shell electrons in fluorine?

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s22s22p63s23p64s23d5

If an element has a small electron affinity value it can easily lose an electron.

Which of the following cations will have the electronic configuration 1s22s22p63s23p6?

Halogens have large electron affinity values.

Match each element with the most likely valence charge. -Ca

Which of the following elements never obeys the octet rule?

Match the scientist with his contribution. -Erwin Schrödinger

Match every binary compound with the correct coefficient of x and y . -AlxSy

How many valence electrons are in silicon?

The ion that has 14 protons and 18 electrons is ________.

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s22s22p63s23p8

Match every binary compound with the correct coefficient of x and y . -MgxOy

Match each element with the most likely valence charge. -Al

What is the trend in atomic size in the series of Group IIA elements Be through Ra?

Match the following species with the corresponding electronic configuration. -S

The elements of Group VIIIA are almost entirely non-reactive with any of the other chemical elements. Which of the following statements best explains this observed behavior?

For the electron of a hydrogen atom, which of the following quantum "jumps" requires the most energy?

Modern atomic theory places electrons into complex mathematical probability functions called "orbitals."

Match the following species with the corresponding electronic configuration. -N3-

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s²2s²2p⁶3s²3p⁶4s²3d⁵

Which of the following cations will have the electronic configuration 1s²2s²2p⁶3s²3p⁶?

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s²2s²2p⁶3s²3p⁸

Match the following species with the corresponding electronic configuration. -N^3-