Question 1

The atomic radius can be measured by x-ray diffraction.

Accepted Answer

A) True 
 B)False

Question 2

Atoms in which of the following groups will likely gain three electrons?

Accepted Answer

A)  IIIA 
B)  VA 
C)  VIIA 
D)  both A and B 
A)  IIIA 
B)  VA 
C)  VIIA 
D)  both A and B

Question 3

Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy.

Accepted Answer

Two possible, equally correct

Question 4

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 5

Which of the following ions does not have the neon electron configuration?

Accepted Answer

A)  S4+ 
B)  Mg2+ 
C)  O₂- 
D)  AL₃+ 
A)  S4+ 
B)  Mg2+ 
C)  O₂- 
D)  AL₃+

Question 6

Which color light is composed of photons having the largest energy?

Accepted Answer

A)  blue 
B)  green 
C)  yellow 
D)  red 
A)  blue 
B)  green 
C)  yellow 
D)  red

Question 7

In a single atom, what is the maximum number of electrons that can have quantum number n = 4?

Accepted Answer

A)  10 
B)  14 
C)  18 
D)  32 
A)  10 
B)  14 
C)  18 
D)  32

Question 8

+1 is the only charge sodium ions normally have.

Accepted Answer

A) True 
 B)False

Question 9

The likely formula of the compound formed between Ca and O is ________.

Accepted Answer

A)  Ca₂O 
B)  CaO₂ 
C)  Ca₂O₃ 
D)  CaO 
A)  Ca₂O 
B)  CaO₂ 
C)  Ca₂O₃ 
D)  CaO

Question 10

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 11

Which element is the more reactive, sodium (Na) or potassium (K)?

Accepted Answer

Potassium (K) possesses a more accessibl

Question 12

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10-34 J.sec; speed of light = wavelength × ν, speed of light = 3.0 × 108 meters/sec.)

Accepted Answer

A)  4.9 × 1019 J 
B)  7.3 × 10-19 J 
C)  3.6 × 10-18 J 
D)  1.6 × 10-24 J 
A)  4.9 × 1019 J 
B)  7.3 × 10-19 J 
C)  3.6 × 10-18 J 
D)  1.6 × 10-24 J

Question 13

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

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

Classify each of the following as ground state, excited state, or impossible electronic configurations.
-1s22s22p63s23p64s23d12

Accepted Answer

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

Question 15

Metals generally become more reactive as one proceeds down a column (group).

Accepted Answer

A) True 
 B)False

Question 16

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s2.

Accepted Answer

A) True 
 B)False

Question 17

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

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 18

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

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 19

Match the following species with the corresponding electronic configuration.
-Ca?+

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 20

Which feature of Bohr's atomic model is no longer accepted as true by today's scientists?

Accepted Answer

A)  Most of an atom's mass is located within the nucleus. 
B)  Electrons have only certain, allowed energy values. 
C)  Electrons orbit the nucleus in fixed circular paths. 
D)  Each principal quantum level can hold a maximum of 2N₂ electrons. 
A)  Most of an atom's mass is located within the nucleus. 
B)  Electrons have only certain, allowed energy values. 
C)  Electrons orbit the nucleus in fixed circular paths. 
D)  Each principal quantum level can hold a maximum of 2N₂ electrons.

The atomic radius can be measured by x-ray diffraction.

Atoms in which of the following groups will likely gain three electrons?

Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy.

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

Which of the following ions does not have the neon electron configuration?

Which color light is composed of photons having the largest energy?

In a single atom, what is the maximum number of electrons that can have quantum number n = 4?

+1 is the only charge sodium ions normally have.

The likely formula of the compound formed between Ca and O is ________.

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

Which element is the more reactive, sodium (Na) or potassium (K)?

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10^-34 J.sec; speed of light = wavelength × ν, speed of light = 3.0 × 10⁸ meters/sec.)

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

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s²2s²2p⁶3s²3p⁶4s²3d¹²

Metals generally become more reactive as one proceeds down a column (group).

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s².

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

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

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

Which feature of Bohr's atomic model is no longer accepted as true by today's scientists?

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

The atomic radius can be measured by x-ray diffraction.

Atoms in which of the following groups will likely gain three electrons?

Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy.

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

Which of the following ions does not have the neon electron configuration?

Which color light is composed of photons having the largest energy?

In a single atom, what is the maximum number of electrons that can have quantum number n = 4?

+1 is the only charge sodium ions normally have.

The likely formula of the compound formed between Ca and O is ________.

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

Which element is the more reactive, sodium (Na) or potassium (K)?

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10-34 J.sec; speed of light = wavelength × ν, speed of light = 3.0 × 108 meters/sec.)

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

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s22s22p63s23p64s23d12

Metals generally become more reactive as one proceeds down a column (group).

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s2.

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

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

Match the following species with the corresponding electronic configuration. -Ca?+

Which feature of Bohr's atomic model is no longer accepted as true by today's scientists?

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^?+

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10^-34 J.sec; speed of light = wavelength × ν, speed of light = 3.0 × 10⁸ meters/sec.)

Classify each of the following as ground state, excited state, or impossible electronic configurations. -1s²2s²2p⁶3s²3p⁶4s²3d¹²

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s².

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