A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is $\begin{array}{llll} ~~~~~\text { n } & l & \mathrm{~m}_{l} & \mathrm{~m}_{5} \\ \text { A. } 4 & 0 & 0 & -1 / 2 \\ \text { B. } 3 & 1 & 0 & -1 / 2 \\ \text { C. } 4 & 1 & 0 & +1 / 2 \\ \text { D. } 3 & 1 & 1 & +1 / 2 \\ \text { E. } 4 & 2 & 1 & +1 / 2 \end{array}$

The answer of A possible set of quantum numbers for...

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge) in its ground state is $\begin{array}{cccc} ~~~~~\text { n } & l & \mathrm{~m}_{l} & \mathrm{~m}_{\mathrm{s}} \\ \text { A. } 4 & 0 & 0 & +1 / 2 \\ \text { B. } 3 & 0 & +1 & -1 / 2 \\ \text { C. } 4 & 1 & -1 & +1 / 2 \\ \text { D. } 3 & 1 & +1 & -1 / 2 \\ \text { E. } 4 & 2 & +2 & -1 / 2 \end{array}$

A) A B) B C) C D) D E) E A) A B) B C) C D) D E) E

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If DH for the reaction Cl2(g) $\rarr$ 2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution

A) 246.3 nm B) 349.3 nm C) 465.2 nm D) 492.6 nm E) 698.6 nm A) 246.3 nm B) 349.3 nm C) 465.2 nm D) 492.6 nm E) 698.6 nm

Exam 7: Quantum Theory and the Electronic Structure of Atoms

A photovoltaic cell converts light into electrical energy. Suppose a certain photovoltaic cell is only 63.5% efficient, in other words, that 63.5% of the light energy is ultimately recovered. If the energy output of this cell is used to heat water, how many 520 nm photons must be absorbed by the photovoltaic cell in order to heat 10.0 g of water from 20.0^$\circ$C to 30.0^$\circ$

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Question 81

Which of the following atoms is paramagnetic both in its ground state and in all of its excited states

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Question 82

A proton is roughly 1800 times more massive than an electron. If a proton and an electron are traveling at the same speed,

(Multiple Choice)

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Question 83

Breaking the oxygen-oxygen bond in hydrogen peroxide requires 210 kJ/mol. What is the longest wavelength of light that can cause this bond to be broken

(Multiple Choice)

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Question 84

A ground-state atom of manganese has _ unpaired electrons and is ___.

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Question 85

What is the total number of electrons possible in the 6s orbital

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Question 86

A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is \nobreakspace\nobreakspace\nobreakspace\nobreakspace\nobreakspace n l A. 4 0 0 -1/2 B. 3 1 0 -1/2 C. 4 1 0 +1/2 D. 3 1 1 +1/2 E. 4 2 1 +1/2

(Short Answer)

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Question 87

What is the maximum number of electrons in an atom that can have the following set of quantum numbers N = 4 $$ l = 3 $$ m_l = -2 $~~$ m_s = +1/2

(Multiple Choice)

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Question 88

Which of the following is the electron configuration of an excited state of a copper atom

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Question 89

What is the maximum number of electrons in an atom that can have the following quantum numbers N = 3 $~~$ l = 2

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Question 90

A possible set of quantum numbers to describe an electron in a 5p subshell is

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Question 91

What is the binding energy (in J/mol or kJ/mol) of an electron in a metal whose threshold frequency for photoelectrons is 2.50 * 10¹⁴ /s

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Question 92

Transition metal elements have atoms or ions with partially filled

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Question 93

Which ground-state atom has an electron configuration described by the following orbital diagram

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Question 94

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge) in its ground state is \nobreakspace\nobreakspace\nobreakspace\nobreakspace\nobreakspace n l A. 4 0 0 +1/2 B. 3 0 +1 -1/2 C. 4 1 -1 +1/2 D. 3 1 +1 -1/2 E. 4 2 +2 -1/2

(Multiple Choice)

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Question 95

An electron gains energy in the transition from a 6s subshell to a 5d subshell.

(True/False)

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Question 96

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If DH for the reaction Cl₂(g) $\rarr$ 2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution

(Multiple Choice)

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Question 97

Which element has the following ground-state electron configuration [Ar]4s²3d¹⁰4p⁵

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Question 98

Calculate the wavelength of a neutron that has a velocity of 250 cm/s. (The mass of a neutron = 1.675 * 10^-24 g)

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Question 99

The orbital diagram for a ground-state nitrogen atom is

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Question 100

Showing 81 - 100 of 135

Exam 7: Quantum Theory and the Electronic Structure of Atoms

Which of the following atoms is paramagnetic both in its ground state and in all of its excited states

A proton is roughly 1800 times more massive than an electron. If a proton and an electron are traveling at the same speed,

Breaking the oxygen-oxygen bond in hydrogen peroxide requires 210 kJ/mol. What is the longest wavelength of light that can cause this bond to be broken

A ground-state atom of manganese has ___ unpaired electrons and is _____.

What is the total number of electrons possible in the 6s orbital

A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is \nobreakspace\nobreakspace\nobreakspace\nobreakspace\nobreakspace n l A. 4 0 0 -1/2 B. 3 1 0 -1/2 C. 4 1 0 +1/2 D. 3 1 1 +1/2 E. 4 2 1 +1/2

What is the maximum number of electrons in an atom that can have the following set of quantum numbers N = 4 ~~ l = 3 ~~ ml = -2 ~~ ms = +1/2

Which of the following is the electron configuration of an excited state of a copper atom

What is the maximum number of electrons in an atom that can have the following quantum numbers N = 3 ~~ l = 2

A possible set of quantum numbers to describe an electron in a 5p subshell is

What is the binding energy (in J/mol or kJ/mol) of an electron in a metal whose threshold frequency for photoelectrons is 2.50 * 1014 /s

Transition metal elements have atoms or ions with partially filled

Which ground-state atom has an electron configuration described by the following orbital diagram

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge) in its ground state is \nobreakspace\nobreakspace\nobreakspace\nobreakspace\nobreakspace n l A. 4 0 0 +1/2 B. 3 0 +1 -1/2 C. 4 1 -1 +1/2 D. 3 1 +1 -1/2 E. 4 2 +2 -1/2

An electron gains energy in the transition from a 6s subshell to a 5d subshell.

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If DH for the reaction Cl2(g) →\rarr→ 2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution

Which element has the following ground-state electron configuration [Ar]4s23d104p5

Calculate the wavelength of a neutron that has a velocity of 250 cm/s. (The mass of a neutron = 1.675 * 10-24 g)

The orbital diagram for a ground-state nitrogen atom is

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A ground-state atom of manganese has _ unpaired electrons and is ___.

What is the maximum number of electrons in an atom that can have the following set of quantum numbers N = 4 $$ l = 3 $$ m_l = -2 $~~$ m_s = +1/2

What is the maximum number of electrons in an atom that can have the following quantum numbers N = 3 $~~$ l = 2

What is the binding energy (in J/mol or kJ/mol) of an electron in a metal whose threshold frequency for photoelectrons is 2.50 * 10¹⁴ /s

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If DH for the reaction Cl₂(g) $\rarr$ 2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution

Which element has the following ground-state electron configuration [Ar]4s²3d¹⁰4p⁵

Calculate the wavelength of a neutron that has a velocity of 250 cm/s. (The mass of a neutron = 1.675 * 10^-24 g)