Question 1

The number of orbitals in a d subshell is

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
E) 7 
A) 1 
B) 2 
C) 3 
D) 5 
E) 7

Question 2

The ground-state electron configuration of Cr, Mo, and Ag are exceptions to the Aufbau principle. Which of the following is the electron configuration for Mo?

Accepted Answer

A) [Kr]5s14d5 
B) [Kr]5s24d4 
C) [Xe]6s25d4 
D) [Ar]4s24d4 
E) [Kr]5s24d6 
A) [Kr]5s14d5 
B) [Kr]5s24d4 
C) [Xe]6s25d4 
D) [Ar]4s24d4 
E) [Kr]5s24d6

Question 3

If a hydrogen atom and a helium atom are traveling at the same speed,

Accepted Answer

A) the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom. 
B) the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium. 
C) the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom. 
D) the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom. 
E) the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom. 
A) the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom. 
B) the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium. 
C) the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom. 
D) the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom. 
E) the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.

Question 4

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Accepted Answer

A) 6.46 * 10-16 J 
B) 6.46 * 10-25 J 
C) 2.46 *10-4 J 
D) 12.4 kJ 
E) 246 kJ 
A) 6.46 * 10-16 J 
B) 6.46 * 10-25 J 
C) 2.46 *10-4 J 
D) 12.4 kJ 
E) 246 kJ

Question 5

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

Accepted Answer

A) 1.80 * 10-3 nm 
B) 556 nm 
C) 618 nm 
D) 6180 nm 
E) 1.61 * 1023 nm 
A) 1.80 * 10-3 nm 
B) 556 nm 
C) 618 nm 
D) 6180 nm 
E) 1.61 * 1023 nm

Question 6

What is the difference in the electron configuration between carbon-14 and carbon-12?

Accepted Answer

There is n

Question 7

The electron configuration of a ground-state copper atom is

Accepted Answer

A) [Ar]4s24d4 
B) [Ar]4s24p63d3 
C) [Ar]4s23d9 
D) [Ar]3d9 
E) [Ar]4s13d10 
A) [Ar]4s24d4 
B) [Ar]4s24p63d3 
C) [Ar]4s23d9 
D) [Ar]3d9 
E) [Ar]4s13d10

Question 8

Which choice lists two elements with ground-state electron configurations that are well known exceptions to the Aufbau principle?

Accepted Answer

A) Cu and C 
B) Cr and Cu 
C) Cs and Cl 
D) Rb and Co 
E) Fe and Co 
A) Cu and C 
B) Cr and Cu 
C) Cs and Cl 
D) Rb and Co 
E) Fe and Co

Question 9

How many electrons are there in the 2nd principal energy level (n = 2)of a phosphorus atom?

Accepted Answer

A) 3 
B) 5 
C) 6 
D) 8 
E) 10 
A) 3 
B) 5 
C) 6 
D) 8 
E) 10

Question 10

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow.Of these colors, _______ has the longest wavelength.

Accepted Answer

The answer of The colors of the visible spectrum are...

Question 11

The second line of the Balmer series occurs at a wavelength of 486.1 nm. What is the energy difference between the initial and final levels of the hydrogen atom in this emission process?

Accepted Answer

A) 2.44 * 1018 J 
B) 4.09 * 10-19 J 
C) 4.09 * 10-22 J 
D) 4.09 * 10-28 J 
E) 1.07 * 10-48 J 
A) 2.44 * 1018 J 
B) 4.09 * 10-19 J 
C) 4.09 * 10-22 J 
D) 4.09 * 10-28 J 
E) 1.07 * 10-48 J

Question 12

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. An electron having this same wavelength would have a velocity of

Accepted Answer

A) 7.10 * 103 m/s 
B) 2.93 * 106 m/s 
C) 2.93 * 103 m/s 
D) 7.10 m/s 
E) 3.00 * 108 m/s 
A) 7.10 * 103 m/s 
B) 2.93 * 106 m/s 
C) 2.93 * 103 m/s 
D) 7.10 m/s 
E) 3.00 * 108 m/s

Question 13

Calculate the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 * 105 m/s.The atomic mass of Ne-20 is 19.992 amu.

Accepted Answer

A) 1.0 * 10-13 m 
B) 1.0 * 10-16 m 
C) 1.0 * 10-18 m 
D) 9.7 * 1012 m 
E) 2.0 * 10-13 cm 
A) 1.0 * 10-13 m 
B) 1.0 * 10-16 m 
C) 1.0 * 10-18 m 
D) 9.7 * 1012 m 
E) 2.0 * 10-13 cm

Question 14

Lanthanide (or rare earth elements)have atoms or ions with partially filled

Accepted Answer

A) s subshells. 
B) p subshells. 
C) d subshells. 
D) f subshells. 
E) g subshells. 
A) s subshells. 
B) p subshells. 
C) d subshells. 
D) f subshells. 
E) g subshells.

Question 15

What is the ground-state electron configuration for chlorine?

Accepted Answer

1s²2s²2p⁶3s²3p

The number of orbitals in a d subshell is

The ground-state electron configuration of Cr, Mo, and Ag are exceptions to the Aufbau principle. Which of the following is the electron configuration for Mo?

If a hydrogen atom and a helium atom are traveling at the same speed,

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

What is the wavelength of radiation that has a frequency of 5.39 * 10¹⁴ s^-1? (c = 2.9979 * 10⁸ m/s)

What is the difference in the electron configuration between carbon-14 and carbon-12?

The electron configuration of a ground-state copper atom is

Which choice lists two elements with ground-state electron configurations that are well known exceptions to the Aufbau principle?

How many electrons are there in the 2nd principal energy level (n = 2)of a phosphorus atom?

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow.Of these colors, _______ has the longest wavelength.

The second line of the Balmer series occurs at a wavelength of 486.1 nm. What is the energy difference between the initial and final levels of the hydrogen atom in this emission process?

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. An electron having this same wavelength would have a velocity of

Calculate the wavelength associated with a ²⁰Ne⁺ ion moving at a velocity of 2.0 * 10⁵ m/s.The atomic mass of Ne-20 is 19.992 amu.

Lanthanide (or rare earth elements)have atoms or ions with partially filled

What is the ground-state electron configuration for chlorine?

Chemistry: The Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

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Exam 7: Quantum Theory and the Electronic Structure of Atoms

The number of orbitals in a d subshell is

The ground-state electron configuration of Cr, Mo, and Ag are exceptions to the Aufbau principle. Which of the following is the electron configuration for Mo?

If a hydrogen atom and a helium atom are traveling at the same speed,

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

What is the difference in the electron configuration between carbon-14 and carbon-12?

The electron configuration of a ground-state copper atom is

Which choice lists two elements with ground-state electron configurations that are well known exceptions to the Aufbau principle?

How many electrons are there in the 2nd principal energy level (n = 2)of a phosphorus atom?

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow.Of these colors, _______ has the longest wavelength.

The second line of the Balmer series occurs at a wavelength of 486.1 nm. What is the energy difference between the initial and final levels of the hydrogen atom in this emission process?

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength λ\lambdaλ is emitted. An electron having this same wavelength would have a velocity of

Calculate the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 * 105 m/s.The atomic mass of Ne-20 is 19.992 amu.

Lanthanide (or rare earth elements)have atoms or ions with partially filled

What is the ground-state electron configuration for chlorine?

Chemistry: The Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

What is the wavelength of radiation that has a frequency of 5.39 * 10¹⁴ s^-1? (c = 2.9979 * 10⁸ m/s)

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. An electron having this same wavelength would have a velocity of

Calculate the wavelength associated with a ²⁰Ne⁺ ion moving at a velocity of 2.0 * 10⁵ m/s.The atomic mass of Ne-20 is 19.992 amu.