Question 1

In a ground- state manganese atoms, the subshell is partially filled.

Accepted Answer

A)  4s 
B)  4d 
C)  3d 
D)  3s 
E)  4p 
A)  4s 
B)  4d 
C)  3d 
D)  3s 
E)  4p

Question 2

The elements in the period of the periodic table have a core- electron configuration that is the same as the electron configuration of neon.

Accepted Answer

A)  first 
B)  second 
C)  third 
D)  fourth 
E)  fifth 
A)  first 
B)  second 
C)  third 
D)  fourth 
E)  fifth

Question 3

How many different principal quantum numbers can be found in the ground state electron configuration of nickel?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 4

The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the of a photon with a wavelength of _ nm.

Accepted Answer

A)  emission, 411 
B)  absorption, 657 
C)  absorption, 411 
D)  emission, 93.8 
E)  emission, 389 
A)  emission, 411 
B)  absorption, 657 
C)  absorption, 411 
D)  emission, 93.8 
E)  emission, 389

Question 5

The frequency of a photon that has an energy of 3.7 × 10- 18  J is s- 1.

Accepted Answer

A)  5.6 × 1015 
B)  1.8 × 10- 16 
C)  2.5 × 1015 
D)  5.4 × 10- 8 
E)  2.5 × 10- 15 
A)  5.6 × 1015 
B)  1.8 × 10- 16 
C)  2.5 × 1015 
D)  5.4 × 10- 8 
E)  2.5 × 10- 15

Question 6

There are orbitals in the second shell.

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
E)  9 
A)  1 
B)  2 
C)  4 
D)  8 
E)  9

Question 7

A spectrum containing only specific wavelengths is called a _ spectrum.

Accepted Answer

A)  Rydberg 
B)  invariant 
C)  continuous 
D)  line 
E)  visible 
A)  Rydberg 
B)  invariant 
C)  continuous 
D)  line 
E)  visible

Question 8

How many p- orbitals are occupied in a Ne atom ?

Accepted Answer

A)  1 
B)  3 
C)  0 
D)  2 
E)  6 
A)  1 
B)  3 
C)  0 
D)  2 
E)  6

Question 9

The de Broglie wavelength of a will have the shortest wavelength when traveling at 30 cm/s.

Accepted Answer

A)  marble 
B)  uranium atom 
C)  planet 
D)  car 
E)  hydrogen atom 
A)  marble 
B)  uranium atom 
C)  planet 
D)  car 
E)  hydrogen atom

Question 10

The wavelength of a photon that has an energy of 5.25 × 10- 19 J is m.

Accepted Answer

A)  3.79 × 107 
B)  2.38 × 1023 
C)  2.64 × 106 
D)  3.79 × 10- 7 
E)  4.21 × 10- 24 
A)  3.79 × 107 
B)  2.38 × 1023 
C)  2.64 × 106 
D)  3.79 × 10- 7 
E)  4.21 × 10- 24

Question 11

Electromagnetic radiation with a wavelength of 640 nm appears as orange light to the human eye. The energy of one photon of this light is J.

Accepted Answer

A)  1.272 × 10- 22 
B)  3.220 × 1018 
C)  1.272 × 10- 31 
D)  3.106 × 10- 19 
E)  3.106 × 10- 28 
A)  1.272 × 10- 22 
B)  3.220 × 1018 
C)  1.272 × 10- 31 
D)  3.106 × 10- 19 
E)  3.106 × 10- 28

Question 12

There are unpaired electrons in a ground state fluorine atom.

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 13

All of the subshells in a given shell have the same energy in the hydrogen atom. In a many- electron atom, the subshells in a given shell do not have the same energy. Why?

Accepted Answer

Hydrogen atoms have only one electron. T

Question 14

What is the de Broglie wavelength (m) of a 25 g object moving at a speed of 5.0 m/s?

Accepted Answer

A)  6.6 × 10- 36 
B)  3.32 × 10- 36 
C)  5.3 × 10- 33 
D)  1.9 × 1032 
E)  3.02 × 1045 
A)  6.6 × 10- 36 
B)  3.32 × 10- 36 
C)  5.3 × 10- 33 
D)  1.9 × 1032 
E)  3.02 × 1045

Question 15

The 3p subshell in the ground state of atomic xenon contains electrons.

Accepted Answer

A)  2 
B)  6 
C)  8 
D)  10 
E)  36 
A)  2 
B)  6 
C)  8 
D)  10 
E)  36

Question 16

[Ar]4s23d104p3 is the electron configuration of a(n) atom.

Accepted Answer

A)  Sn 
B)  Sb 
C)  P 
D)  V 
E)  As 
A)  Sn 
B)  Sb 
C)  P 
D)  V 
E)  As

Question 17

The n = 8 to n = 4 transition in the Bohr hydrogen atom occurs in the region of the electromagnetic spectrum.

Accepted Answer

A)  infrared 
B)  X- ray 
C)  ultraviolet 
D)  visible 
E)  microwave 
A)  infrared 
B)  X- ray 
C)  ultraviolet 
D)  visible 
E)  microwave

Question 18

The electron density of the 2s orbital is asymmetric.

Accepted Answer

A) True 
 B)False

Question 19

There are _ orbitals in the third shell.

Accepted Answer

A)  9 
B)  16 
C)  25 
D)  4 
E)  1 
A)  9 
B)  16 
C)  25 
D)  4 
E)  1

Question 20

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10- 19 J. Thus, a laser that emits 1.3 × 10- 2 J of energy in a pulse of light at this wavelength produces photons in each pulse.

Accepted Answer

A)  9.2 × 10- 24 
B)  2.9 × 10- 17 
C)  6.5 × 1013 
D)  1.8 × 1019 
E)  3.5 × 1016 
A)  9.2 × 10- 24 
B)  2.9 × 10- 17 
C)  6.5 × 1013 
D)  1.8 × 1019 
E)  3.5 × 1016

Exam 6: Electronic Structure of Atoms

In a ground- state manganese atoms, the subshell is partially filled.

The elements in the period of the periodic table have a core- electron configuration that is the same as the electron configuration of neon.

How many different principal quantum numbers can be found in the ground state electron configuration of nickel?

The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the of a photon with a wavelength of _ nm.

The frequency of a photon that has an energy of 3.7 × 10- 18 J is s- 1.

There are orbitals in the second shell.

A spectrum containing only specific wavelengths is called a _ spectrum.

How many p- orbitals are occupied in a Ne atom ?

The de Broglie wavelength of a will have the shortest wavelength when traveling at 30 cm/s.

The wavelength of a photon that has an energy of 5.25 × 10- 19 J is m.

Electromagnetic radiation with a wavelength of 640 nm appears as orange light to the human eye. The energy of one photon of this light is J.

There are unpaired electrons in a ground state fluorine atom.

All of the subshells in a given shell have the same energy in the hydrogen atom. In a many- electron atom, the subshells in a given shell do not have the same energy. Why?

What is the de Broglie wavelength (m) of a 25 g object moving at a speed of 5.0 m/s?

The 3p subshell in the ground state of atomic xenon contains electrons.

[Ar]4s23d104p3 is the electron configuration of a(n) atom.

The n = 8 to n = 4 transition in the Bohr hydrogen atom occurs in the region of the electromagnetic spectrum.

The electron density of the 2s orbital is asymmetric.

There are _ orbitals in the third shell.

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10- 19 J. Thus, a laser that emits 1.3 × 10- 2 J of energy in a pulse of light at this wavelength produces photons in each pulse.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The frequency of a photon that has an energy of 3.7 × 10^-¹⁸J is s^-¹.

The wavelength of a photon that has an energy of 5.25 × 10^-¹⁹J is m.

[Ar]4s²3d¹⁰4p³is the electron configuration of a(n) atom.

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10^-¹⁹J. Thus, a laser that emits 1.3 × 10^-²J of energy in a pulse of light at this wavelength produces photons in each pulse.