Exam 5: Periodicity and the Atomic Structure of Atoms

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Photochemists use electromagnetic radiation to initiate chemical reactions,often by providing the energy required to break bonds within a molecule.Lowering which of the following will result in electromagnetic radiation having more energy per photon?

(Multiple Choice)

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Question 121

The subshell designations follow the alphabet after f.What is the first shell in which an h orbital would be allowed?

(Multiple Choice)

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Question 122

How many subshells are there in the shell with n = 6?

(Multiple Choice)

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Question 123

Which of the following is true? The probability density

(Multiple Choice)

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Question 124

Which period of elements,indicated by letter on the periodic table,has electrons whose highest principal quantum number n is 5?

(Multiple Choice)

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Question 125

According to the Balmer-Rydberg equation,which transition results in the emission of a photon in the ultraviolet region of the electromagnetic radiation spectrum?

(Multiple Choice)

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Question 126

List all the elements that have a ground-state configuration with five unpaired electrons in the 3d subshell.

(Multiple Choice)

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Question 127

A radio station that broadcasts at 99.5 MHz is broadcasting at a frequency of ________ s^-1.

(Short Answer)

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Question 128

Which orbitals do not have a node at the nucleus?

(Multiple Choice)

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Question 129

Which of the following represent electron configurations that are allowed but do not represent ground-state configurations? (A)[Ne]3s¹3p⁵ (B)[Kr]4d¹²5s²5p³ (C)[Ar]3d¹⁰4s²4p²

(Multiple Choice)

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Question 130

Which groups of elements,indicated by letter on the periodic table,have two unpaired p electrons in their valence shell?

(Multiple Choice)

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Question 131

Which of the following have the same number of valence electrons?

(Multiple Choice)

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Question 132

Atoms of which element,indicated by letter on the periodic table,have the orbital-filling diagram shown below?

(Multiple Choice)

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Question 133

Which element has the ground-state electron configuration [ Rn] 7s²6d² ?

(Multiple Choice)

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Question 134

An electron in a 4p orbital can have a wave function with which of the following set of quantum numbers, (n,l,m_l,m_s)?

(Multiple Choice)

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Question 135

Compared to ultraviolet radiation,infrared radiation occurs at wavelengths, frequencies,and energies.

(Short Answer)

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Question 136

Which have the largest number of unpaired electrons in p orbitals in their ground-state electron configurations?

(Multiple Choice)

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Question 137

What is the number of spherical nodes in a 4s orbital?

(Multiple Choice)

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Question 138

How many h orbitals are allowed in a given shell?

(Multiple Choice)

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Question 139

Which of the following have their valence electrons in the same shell?

(Multiple Choice)

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Question 140

Showing 121 - 140 of 158

Exam 5: Periodicity and the Atomic Structure of Atoms

Photochemists use electromagnetic radiation to initiate chemical reactions,often by providing the energy required to break bonds within a molecule.Lowering which of the following will result in electromagnetic radiation having more energy per photon?

The subshell designations follow the alphabet after f.What is the first shell in which an h orbital would be allowed?

How many subshells are there in the shell with n = 6?

Which of the following is true? The probability density

Which period of elements,indicated by letter on the periodic table,has electrons whose highest principal quantum number n is 5?

According to the Balmer-Rydberg equation,which transition results in the emission of a photon in the ultraviolet region of the electromagnetic radiation spectrum?

List all the elements that have a ground-state configuration with five unpaired electrons in the 3d subshell.

A radio station that broadcasts at 99.5 MHz is broadcasting at a frequency of ________ s-1.

Which orbitals do not have a node at the nucleus?

Which of the following represent electron configurations that are allowed but do not represent ground-state configurations? (A)[Ne]3s13p5 (B)[Kr]4d125s25p3 (C)[Ar]3d104s24p2

Which groups of elements,indicated by letter on the periodic table,have two unpaired p electrons in their valence shell?

Which of the following have the same number of valence electrons?

Atoms of which element,indicated by letter on the periodic table,have the orbital-filling diagram shown below?

Which element has the ground-state electron configuration [ Rn] 7s26d2 ?

An electron in a 4p orbital can have a wave function with which of the following set of quantum numbers, (n,l,ml,ms)?

Compared to ultraviolet radiation,infrared radiation occurs at ________ wavelengths,________ frequencies,and ________ energies.

Which have the largest number of unpaired electrons in p orbitals in their ground-state electron configurations?

What is the number of spherical nodes in a 4s orbital?

How many h orbitals are allowed in a given shell?

Which of the following have their valence electrons in the same shell?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Ionic Bonds and Some Main-Group Chemistry

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

A radio station that broadcasts at 99.5 MHz is broadcasting at a frequency of ________ s^-1.

Which of the following represent electron configurations that are allowed but do not represent ground-state configurations? (A)[Ne]3s¹3p⁵ (B)[Kr]4d¹²5s²5p³ (C)[Ar]3d¹⁰4s²4p²

Which element has the ground-state electron configuration [ Rn] 7s²6d² ?

An electron in a 4p orbital can have a wave function with which of the following set of quantum numbers, (n,l,m_l,m_s)?

Compared to ultraviolet radiation,infrared radiation occurs at wavelengths, frequencies,and energies.