Question 1

For an electron in a given atom,the larger n,the

Accepted Answer

A) larger the average distance from the nucleus and the higher the orbital energy. 
B) larger the average distance from the nucleus and the lower the orbital energy. 
C) smaller the average distance from the nucleus and the higher the orbital energy. 
D) smaller the average distance from the nucleus and the lower the orbital energy. 
A) larger the average distance from the nucleus and the higher the orbital energy. 
B) larger the average distance from the nucleus and the lower the orbital energy. 
C) smaller the average distance from the nucleus and the higher the orbital energy. 
D) smaller the average distance from the nucleus and the lower the orbital energy.

Question 2

An orbital with n = 4 and l = 1 is a ________ orbital.

Accepted Answer

The answer of An orbital with n = 4 and...

Question 3

The absorption of light of frequency 1.16 × 1011 Hz is required for CO molecules to go from the lowest rotational energy level to the next highest rotational energy level.Determine the energy for this transition in kJ/mol.h = 6.626 × 10-34 J ∙ s

Accepted Answer

A) 7)69 × 10-23 kJ/mol 
B) 0)0463 kJ/mol 
C) 46.3 kJ/mol 
D) 949 kJ/mol 
A) 7)69 × 10-23 kJ/mol 
B) 0)0463 kJ/mol 
C) 46.3 kJ/mol 
D) 949 kJ/mol

Question 4

-Wave (b)has the

Accepted Answer

A) higher frequency and higher energy than wave (a). 
B) higher frequency and lower energy than wave (a). 
C) lower frequency and higher energy than wave (a). 
D) lower frequency and lower energy than wave (a). 
A) higher frequency and higher energy than wave (a). 
B) higher frequency and lower energy than wave (a). 
C) lower frequency and higher energy than wave (a). 
D) lower frequency and lower energy than wave (a).

Question 5

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

Accepted Answer

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

Question 6

The average bond dissociation energy of a carbon-carbon bond is 410 kJ/mol.What wavelength in nanometers of ultraviolet radiation has an energy of 410 kJ/mol?

Accepted Answer

The answer of The average bond dissociation energy of a...

Question 7

-Which of the above fourth-shell orbitals is a 4pz orbital?

Accepted Answer

A) orbital (a) 
B) orbital (b) 
C) orbital (c) 
D) orbital (d) 
A) orbital (a) 
B) orbital (b) 
C) orbital (c) 
D) orbital (d)

Question 8

-Which element,indicated by letter on the periodic table above,has the ground-state electron configuration [Ar]4s2 3d2?

Accepted Answer

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

Question 9

The intensity of a beam of light is related to its

Accepted Answer

A) frequency. 
B) relative number of photons. 
C) speed. 
D) wavelength. 
A) frequency. 
B) relative number of photons. 
C) speed. 
D) wavelength.

Question 10

For the fourth-shell orbital shown below,what are the principal quantum number,n,and the angular momentum quantum number,l?

Accepted Answer

A) n = 4 and l = 0 
B) n = 4 and l = 1 
C) n = 4 and l = 2 
D) n = 4 and l = 3 
A) n = 4 and l = 0 
B) n = 4 and l = 1 
C) n = 4 and l = 2 
D) n = 4 and l = 3

Question 11

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

Accepted Answer

A) K,As,Br 
B) B,Si,As 
C) N,As,Bi 
D) He,Ne,F 
A) K,As,Br 
B) B,Si,As 
C) N,As,Bi 
D) He,Ne,F

Question 12

A neutral sulfur atom has how many valance electrons?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 16 
A) 2 
B) 4 
C) 6 
D) 16

Question 13

For a particular orbital,as one goes away from the nucleus along the z-axis,the probability density decreases to zero,then increases,and finally decreases without increasing a second time.This is consistent with a

Accepted Answer

A) 2s orbital. 
B) 2pz orbital. 
C) 2s or a 2pz orbital. 
D) 3s orbital. 
A) 2s orbital. 
B) 2pz orbital. 
C) 2s or a 2pz orbital. 
D) 3s orbital.

Question 14

The spheres below represent atoms of Sb,As,P,and N (not necessarily in that order).  
-Which one of these spheres represents an atom of Sb?

Accepted Answer

A) sphere (a) 
B) sphere (b) 
C) sphere (c) 
D) sphere (d) 
A) sphere (a) 
B) sphere (b) 
C) sphere (c) 
D) sphere (d)

Question 15

According to the Heisenberg uncertainty principle,

Accepted Answer

A) the position of a particle cannot be measured precisely. 
B) the momentum of a particle cannot be measured precisely. 
C) neither the position nor the momentum of a particle can be measured precisely. 
D) the position and momentum of a particle can be measured precisely,but not at the same time. 
A) the position of a particle cannot be measured precisely. 
B) the momentum of a particle cannot be measured precisely. 
C) neither the position nor the momentum of a particle can be measured precisely. 
D) the position and momentum of a particle can be measured precisely,but not at the same time.

Question 16

The spheres below represent atoms of Li,Be,B,and F (not necessarily in that order).  
-Which one of these spheres represents an atom of Be?

Accepted Answer

A) sphere (a) 
B) sphere (b) 
C) sphere (c) 
D) sphere (d) 
A) sphere (a) 
B) sphere (b) 
C) sphere (c) 
D) sphere (d)

Question 17

If the quantum number ms had possible values ±1,±2,what would be the maximum number of electrons that be placed in a single orbital?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 18

-Which of the above fourth-shell orbitals is a 4dx2-y2 orbital?

Accepted Answer

A) orbital (a) 
B) orbital (b) 
C) orbital (c) 
D) orbital (d) 
A) orbital (a) 
B) orbital (b) 
C) orbital (c) 
D) orbital (d)

Exam 5: Periodicity and the Atomic Structure of Atoms

For an electron in a given atom,the larger n,the

An orbital with n = 4 and l = 1 is a ________ orbital.

The absorption of light of frequency 1.16 × 1011 Hz is required for CO molecules to go from the lowest rotational energy level to the next highest rotational energy level.Determine the energy for this transition in kJ/mol.h = 6.626 × 10-34 J ∙ s

-Wave (b)has the

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

The average bond dissociation energy of a carbon-carbon bond is 410 kJ/mol.What wavelength in nanometers of ultraviolet radiation has an energy of 410 kJ/mol?

-Which of the above fourth-shell orbitals is a 4pz orbital?

-Which element,indicated by letter on the periodic table above,has the ground-state electron configuration [Ar]4s2 3d2?

The intensity of a beam of light is related to its

For the fourth-shell orbital shown below,what are the principal quantum number,n,and the angular momentum quantum number,l?

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

A neutral sulfur atom has how many valance electrons?

For a particular orbital,as one goes away from the nucleus along the z-axis,the probability density decreases to zero,then increases,and finally decreases without increasing a second time.This is consistent with a

The spheres below represent atoms of Sb,As,P,and N (not necessarily in that order). -Which one of these spheres represents an atom of Sb?

According to the Heisenberg uncertainty principle,

The spheres below represent atoms of Li,Be,B,and F (not necessarily in that order). -Which one of these spheres represents an atom of Be?

If the quantum number ms had possible values ±1,±2,what would be the maximum number of electrons that be placed in a single orbital?

-Which of the above fourth-shell orbitals is a 4dx2-y2 orbital?

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The absorption of light of frequency 1.16 × 10¹¹ Hz is required for CO molecules to go from the lowest rotational energy level to the next highest rotational energy level.Determine the energy for this transition in kJ/mol.h = 6.626 × 10^-34 J ∙ s

-Which of the above fourth-shell orbitals is a 4p_z orbital?

-Which element,indicated by letter on the periodic table above,has the ground-state electron configuration [Ar]4s² 3d²?

If the quantum number m_s had possible values ±1,±2,what would be the maximum number of electrons that be placed in a single orbital?

-Which of the above fourth-shell orbitals is a 4d_x^2-y2 orbital?