Question 1

The number of orbitals having the quantum numbers,n = 5 and l = 3 is ________.

Accepted Answer

The answer of The number of orbitals having the quantum...

Question 2

According to the Bohr model,when a hydrogen electron makes a transition from n=4 to n=2,which of the following statements is true? I.Energy is emitted.
II.Energy is absorbed.
III.Electrons lose energy.
IV.Electrons gain energy.

Accepted Answer

A) I only 
B) I and III 
C) I and IV 
D) II and IV 
A) I only 
B) I and III 
C) I and IV 
D) II and IV

Question 3

The four lines observed in the visible emission spectrum of hydrogen tell us that

Accepted Answer

A) The hydrogen molecules they came from have the formula H4. 
B) We could observe more lines if we had a stronger prism. 
C) There are four electrons in an excited hydrogen atom. 
D) Only certain energies are allowed for the electron in a hydrogen atom. 
A) The hydrogen molecules they came from have the formula H4. 
B) We could observe more lines if we had a stronger prism. 
C) There are four electrons in an excited hydrogen atom. 
D) Only certain energies are allowed for the electron in a hydrogen atom.

Question 4

The energy of an electron in a multielectron atom depends on the quantum numbers ________ and ________.

Accepted Answer

The answer of The energy of an electron in a...

Question 5

For hydrogen,what is the wavelength of the photon emitted when an electron drops from a 4d orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 × 10-2 nm-1.

Accepted Answer

A) 656.3 nm 
B) 486.2 nm 
C) 364.6 nm 
D) 2.057 × 10-3 nm 
A) 656.3 nm 
B) 486.2 nm 
C) 364.6 nm 
D) 2.057 × 10-3 nm

Question 6

-Which grouping of elements,indicated by letter on the periodic table above,represents the p-block elements?

Accepted Answer

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

Question 7

The number of orbitals in a given subshell,such as the 5d subshell,is determined by the number of possible values of

Accepted Answer

A) n. 
B) l. 
C) ml. 
D) ms. 
A) n. 
B) l. 
C) ml. 
D) ms.

Question 8

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 9

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

Accepted Answer

A) 5 
B) 6 
C) 15 
D) 36 
A) 5 
B) 6 
C) 15 
D) 36

Question 10

Which orbitals have two nodal planes passing through the nucleus?

Accepted Answer

A) s 
B) p 
C) d 
D) all in the third shell 
A) s 
B) p 
C) d 
D) all in the third shell

Question 11

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 P?

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 12

-Atoms of which element,indicated by letter on the periodic table,are expected to have the largest atomic radius?

Accepted Answer

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

Question 13

-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)

Question 14

What is the ground-state electron configuration of V?

Accepted Answer

A) [Ar]3d5 
B) [Ar]4s13d4 
C) [Ar]4s23d3 
D) [Ar]4s24p64d1 
A) [Ar]3d5 
B) [Ar]4s13d4 
C) [Ar]4s23d3 
D) [Ar]4s24p64d1

Question 15

Copper has the anomalous electron configuration ________.

Accepted Answer

The answer of Copper has the anomalous electron configuration ________....

Question 16

What is the number of spherical nodes in a 6s orbital?

Accepted Answer

A) zero 
B) six 
C) five 
D) seven 
A) zero 
B) six 
C) five 
D) seven

Question 17

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

Accepted Answer

A) Mn,Fe,Co,Cu,and Zn 
B) Cr and Mn 
C) Cr 
D) Mn 
A) Mn,Fe,Co,Cu,and Zn 
B) Cr and Mn 
C) Cr 
D) Mn

Question 18

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 Li?

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 19

Two electromagnetic waves are represented below.  
-If wave (a)represents green light,wave (b)might represent

Accepted Answer

A) blue light. 
B) red light. 
C) ultraviolet radiation. 
D) X-rays. 
A) blue light. 
B) red light. 
C) ultraviolet radiation. 
D) X-rays.

Question 20

Which of the following does not have their valence electrons in the same shell?

Accepted Answer

A) S 
B) Ga 
C) Br 
D) As 
A) S 
B) Ga 
C) Br 
D) As

Exam 5: Periodicity and the Electronic Structure of Atoms

The number of orbitals having the quantum numbers,n = 5 and l = 3 is ________.

According to the Bohr model,when a hydrogen electron makes a transition from n=4 to n=2,which of the following statements is true? I.Energy is emitted. II.Energy is absorbed. III.Electrons lose energy. IV.Electrons gain energy.

The four lines observed in the visible emission spectrum of hydrogen tell us that

The energy of an electron in a multielectron atom depends on the quantum numbers ________ and ________.

For hydrogen,what is the wavelength of the photon emitted when an electron drops from a 4d orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 × 10-2 nm-1.

-Which grouping of elements,indicated by letter on the periodic table above,represents the p-block elements?

The number of orbitals in a given subshell,such as the 5d subshell,is determined by the number of possible values of

The intensity of a beam of light is related to its

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

Which orbitals have two nodal planes passing through the nucleus?

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 P?

-Atoms of which element,indicated by letter on the periodic table,are expected to have the largest atomic radius?

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

What is the ground-state electron configuration of V?

Copper has the anomalous electron configuration ________.

What is the number of spherical nodes in a 6s orbital?

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

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 Li?

Two electromagnetic waves are represented below. -If wave (a)represents green light,wave (b)might represent

Which of the following does not have their valence electrons in the same shell?

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The energy of an electron in a multielectron atom depends on the quantum numbers and .

For hydrogen,what is the wavelength of the photon emitted when an electron drops from a 4d orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 × 10^-2 nm^-1.

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