Question 1

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

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 2

Blue visible light has a higher frequency than red visible light.

Accepted Answer

A) True 
 B)False

Question 3

Red light is the lowest frequency of light in the visible region of the electromagnetic spectrum.

Accepted Answer

A) True 
 B)False

Question 4

The wavelengths in infrared radiation are larger than those of the ultraviolet region.

Accepted Answer

A) True 
 B)False

Question 5

Once an atom gets excited, it may remain in that excited state indefinitely.

Accepted Answer

A) True 
 B)False

Question 6

Carbon can assume both +4 and -4 charges.

Accepted Answer

A) True 
 B)False

Question 7

The only possible way for an excited state electron to return to the ground state is to emit energy in the form of visible light.

Accepted Answer

A) True 
 B)False

Question 8

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

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 9

Match the following species with the corresponding electronic configuration.
-SI?-

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 10

Which is the correct electronic configuration for Se (atomic number 34) in the ground state?

Accepted Answer

A)  1s22s22p63s23p63d104s24p4 
B)  1s22s22p63s23p63d104s04p6 
C)  1s22s22p63s23p64s23d104p4 
D)  1s22s22p63s23p63d104s03p6 
A)  1s22s22p63s23p63d104s24p4 
B)  1s22s22p63s23p63d104s04p6 
C)  1s22s22p63s23p64s23d104p4 
D)  1s22s22p63s23p63d104s03p6

Question 11

Which of the following subshells appear in the second shell?

Accepted Answer

A)  s 
B)  s, p 
C)  s, p, d 
D)  p 
A)  s 
B)  s, p 
C)  s, p, d 
D)  p

Question 12

The atom size decreases as one proceeds from top to bottom down a group.

Accepted Answer

A) True 
 B)False

Question 13

The valence shell ________.

Accepted Answer

A)  always contains eight electrons. 
B)  is the lowest energy shell in an atom. 
C)  contains electrons in the outermost shell. 
D)  is always the same for anions and cations. 
A)  always contains eight electrons. 
B)  is the lowest energy shell in an atom. 
C)  contains electrons in the outermost shell. 
D)  is always the same for anions and cations.

Question 14

Which orbital is dumbbell-shaped?

Accepted Answer

A)  2s 
B)  3p 
C)  4d 
D)  5g 
A)  2s 
B)  3p 
C)  4d 
D)  5g

Question 15

Match the scientist with his contribution.
-Niels Bohr

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 16

H+ has one electron.

Accepted Answer

A) True 
 B)False

Question 17

The scientist credited with developing the current mathematical model of the atom is ________.

Accepted Answer

A)  Bohr 
B)  Schrödinger 
C)  Planck 
D)  Rutherford 
A)  Bohr 
B)  Schrödinger 
C)  Planck 
D)  Rutherford

Question 18

Which s orbital is the largest?

Accepted Answer

A)  1s 
B)  2s 
C)  3s 
D)  4s 
A)  1s 
B)  2s 
C)  3s 
D)  4s

Question 19

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

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 20

The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized.

Accepted Answer

A) True 
 B)False

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

Blue visible light has a higher frequency than red visible light.

Red light is the lowest frequency of light in the visible region of the electromagnetic spectrum.

The wavelengths in infrared radiation are larger than those of the ultraviolet region.

Once an atom gets excited, it may remain in that excited state indefinitely.

Carbon can assume both +4 and -4 charges.

The only possible way for an excited state electron to return to the ground state is to emit energy in the form of visible light.

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

Match the following species with the corresponding electronic configuration. -SI^?-

Which is the correct electronic configuration for Se (atomic number 34) in the ground state?

Which of the following subshells appear in the second shell?

The atom size decreases as one proceeds from top to bottom down a group.

The valence shell ________.

Which orbital is dumbbell-shaped?

Match the scientist with his contribution. -Niels Bohr

H⁺ has one electron.

The scientist credited with developing the current mathematical model of the atom is ________.

Which s orbital is the largest?

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

The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized.

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

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

Blue visible light has a higher frequency than red visible light.

Red light is the lowest frequency of light in the visible region of the electromagnetic spectrum.

The wavelengths in infrared radiation are larger than those of the ultraviolet region.

Once an atom gets excited, it may remain in that excited state indefinitely.

Carbon can assume both +4 and -4 charges.

The only possible way for an excited state electron to return to the ground state is to emit energy in the form of visible light.

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

Match the following species with the corresponding electronic configuration. -SI?-

Which is the correct electronic configuration for Se (atomic number 34) in the ground state?

Which of the following subshells appear in the second shell?

The atom size decreases as one proceeds from top to bottom down a group.

The valence shell ________.

Which orbital is dumbbell-shaped?

Match the scientist with his contribution. -Niels Bohr

H+ has one electron.

The scientist credited with developing the current mathematical model of the atom is ________.

Which s orbital is the largest?

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

The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized.

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

Match the following species with the corresponding electronic configuration. -SI^?-

H⁺ has one electron.