Question 1

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

Accepted Answer

A) antimony 
B) germanium 
C) indium 
D) lead 
E) tin 
A) antimony 
B) germanium 
C) indium 
D) lead 
E) tin

Question 2

The longest wavelength of light that causes electrons to be ejected from the surface of a copper plate is 243 nm. What is the maximum velocity of the electrons ejected when light of wavelength 200. nm shines on a copper plate?

Accepted Answer

A) 1.48 * 106 m/s 
B) 6.22 * 105 m/s 
C) 4.67 * 104 m/s 
D) 1.97 * 104 m/s 
E) 1.34 * 106 m/s 
A) 1.48 * 106 m/s 
B) 6.22 * 105 m/s 
C) 4.67 * 104 m/s 
D) 1.97 * 104 m/s 
E) 1.34 * 106 m/s

Question 3

The orbital diagram for a ground state carbon atom is

Accepted Answer

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

Question 4

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 * 102 nm?

Accepted Answer

A) 256 kJ 
B) 1.71 * 105 J 
C) 4.72 * 10-43 J 
D) 12.4 kJ 
E) 2.12 * 1042 J 
A) 256 kJ 
B) 1.71 * 105 J 
C) 4.72 * 10-43 J 
D) 12.4 kJ 
E) 2.12 * 1042 J

Question 5

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge)in its ground state is

Accepted Answer

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

Question 6

Each shell (principal energy level)of quantum number n contains n subshells.

Accepted Answer

A) True 
 B)False

Question 7

Which element has the following ground-state electron configuration? [Kr]5s24d105p2

Accepted Answer

A) Sn 
B) Sb 
C) Pb 
D) Ge 
E) Te 
A) Sn 
B) Sb 
C) Pb 
D) Ge 
E) Te

Question 8

If a hydrogen atom and a helium atom are traveling at the same speed,

Accepted Answer

A) the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom. 
B) the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium. 
C) the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom. 
D) the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom. 
E) the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom. 
A) the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom. 
B) the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium. 
C) the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom. 
D) the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom. 
E) the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.

Question 9

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.

Accepted Answer

A) 1.0 * 10-13 m 
B) 1.0 * 10-7 m 
C) 1.0 m 
D) 1.0 * 10-10 m 
A) 1.0 * 10-13 m 
B) 1.0 * 10-7 m 
C) 1.0 m 
D) 1.0 * 10-10 m

Question 10

Electrons in an orbital with l = 3 are in a/an

Accepted Answer

A) d orbital. 
B) f orbital. 
C) g orbital. 
D) p orbital. 
E) s orbital. 
A) d orbital. 
B) f orbital. 
C) g orbital. 
D) p orbital. 
E) s orbital.

Question 11

The Bohr model of the hydrogen atom found its greatest support in experimental work on the photoelectric effect.

Accepted Answer

A) True 
 B)False

Question 12

How many electrons in a ground-state tellurium atom are in orbitals labeled by l = 1?

Accepted Answer

A) 4 
B) 10 
C) 12 
D) 16 
E) 22 
A) 4 
B) 10 
C) 12 
D) 16 
E) 22

Question 13

Lanthanide (or rare earth elements)have atoms or ions with partially filled

Accepted Answer

A) s subshells. 
B) p subshells. 
C) d subshells. 
D) f subshells. 
E) g subshells. 
A) s subshells. 
B) p subshells. 
C) d subshells. 
D) f subshells. 
E) g subshells.

Question 14

What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s?

Accepted Answer

6.63 * 10<

Question 15

Rank the following types of electromagnetic radiation from lowest energy to highest energy: infrared, microwave, radio waves, gamma rays, visible, and ultraviolet.

Accepted Answer

radio waves < microw

Question 16

The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

Accepted Answer

A) n 
B) n + 1 
C) 2n 
D) 2n2 
E) n2 
A) n 
B) n + 1 
C) 2n 
D) 2n2 
E) n2

Question 17

Which one of the following sets of quantum numbers is not possible?

Accepted Answer

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

Question 18

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

Accepted Answer

A) aresnic 
B) bromine 
C) iodine 
D) selenium 
E) tellerium 
A) aresnic 
B) bromine 
C) iodine 
D) selenium 
E) tellerium

Question 19

The ground-state electron configuration for an atom of indium is

Accepted Answer

A) [Kr]5s24p64d5. 
B) [Ar]4s23d104p1. 
C) [Ar]4s24p63d5. 
D) [Kr]5s25p64d5. 
E) [Kr]5s24d105p1. 
A) [Kr]5s24p64d5. 
B) [Ar]4s23d104p1. 
C) [Ar]4s24p63d5. 
D) [Kr]5s25p64d5. 
E) [Kr]5s24d105p1.

Question 20

For all atoms of the same element, the 2s orbital is larger than the 1s orbital.

Accepted Answer

A) True 
 B)False

Exam 7: The Electronic Structure of Atoms

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

The longest wavelength of light that causes electrons to be ejected from the surface of a copper plate is 243 nm. What is the maximum velocity of the electrons ejected when light of wavelength 200. nm shines on a copper plate?

The orbital diagram for a ground state carbon atom is

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 * 102 nm?

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge)in its ground state is

Each shell (principal energy level)of quantum number n contains n subshells.

Which element has the following ground-state electron configuration? [Kr]5s24d105p2

If a hydrogen atom and a helium atom are traveling at the same speed,

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.

Electrons in an orbital with l = 3 are in a/an

The Bohr model of the hydrogen atom found its greatest support in experimental work on the photoelectric effect.

How many electrons in a ground-state tellurium atom are in orbitals labeled by l = 1?

Lanthanide (or rare earth elements)have atoms or ions with partially filled

What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s?

Rank the following types of electromagnetic radiation from lowest energy to highest energy: infrared, microwave, radio waves, gamma rays, visible, and ultraviolet.

The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

Which one of the following sets of quantum numbers is not possible?

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

The ground-state electron configuration for an atom of indium is

For all atoms of the same element, the 2s orbital is larger than the 1s orbital.

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 * 10² nm?

Which element has the following ground-state electron configuration? [Kr]5s²4d¹⁰5p²

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 10³ kilometers per second. The mass of an electron is 9.1 * 10^-28 g.

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