Chemistry, The Central Science, 11th edition

Theodore L. Brown, H. Eugene LeMay, Jr., Bruce E. Bursten,

and Catherine J. Murphy

Dana & Michelle ChatellierUniversity of Delaware© Copyright 2009, Pearson Education

Chapter 5 Electronic Structure of Atoms

The wavelength of electromagnetic energy multiplied by its frequency equals:

a. c, the speed of light

b. h, Planck’s constant

c. Avogadro’s number

d. 4.184

The wavelength of electromagnetic energy multiplied by its frequency equals:

a. c, the speed of lightb. h, Planck’s constantc. Avogadro’s numberd. 4.184

The energy of a photon of electromagnetic energy divided by its frequency equals:

a. c, the speed of light

b. h, Planck’s constant

c. Avogadro’s number

d. 4.184

The energy of a photon of electromagnetic energy divided by its frequency equals:

a. c, the speed of lightb. h, Planck’s constantc. Avogadro’s numberd. 4.184

Light that contains colors of all wavelengths is called:

a. a continuous spectrum.

b. monochromatic.

c. a line spectrum.

d. a Balmer series.

Light that contains colors of all wavelengths is called:

a. a continuous spectrum.

b. monochromatic.

c. a line spectrum.

d. a Balmer series.

The lowest energy state of an atom is referred to as its:

a. bottom state.

b. ground state.

c. fundamental state.

d. original state.

The lowest energy state of an atom is referred to as its:

a. bottom state.

b. ground state.

c. fundamental state.

d. original state.

“It is impossible to know both the position and the momentum of an electron simultaneously” is a statement of:

a. Hund’s Rule.

b. deBroglie’s Hypothesis.

c. the Pauli Exclusion Principle.

d. the Heisenberg Uncertainty Principle.

“It is impossible to know both the position and the momentum of an electron simultaneously” is a statement of:

a. Hund’s Rule.

b. deBroglie’s Hypothesis.

c. the Pauli Exclusion Principle.

d. the Heisenberg Uncertainty Principle.

“No two electrons in the same atom may have the same values for all four quantum numbers” is a statement of:

a. Hund’s Rule.

b. deBroglie’s Hypothesis.

c. the Pauli Exclusion Principle.

d. the Heisenberg Uncertainty Principle.

“No two electrons in the same atom may have the same values for all four quantum numbers” is a statement of:

a. Hund’s Rule.

b. deBroglie’s Hypothesis.

c. the Pauli Exclusion Principle.

d. the Heisenberg Uncertainty Principle.

All s orbitals are:

a. shaped like four-leaf clovers.

b. dumbbell-shaped.

c. spherical.

d. triangular.

All s orbitals are:

a. shaped like four-leaf clovers.

b. dumbbell-shaped.

c. spherical.

d. triangular.

The way electrons are distributed among the various orbitals of an atom is referred to as the atom’s:

a. orbital diagram.

b. electron configuration.

c. electron distribution.

d. electron spread.

The way electrons are distributed among the various orbitals of an atom is referred to as the atom’s:

a. orbital diagram.

b. electron configuration.

c. electron distribution.

d. electron spread.

[He]2s22p2 is the electron configuration of which element?

a. beryllium

b. boron

c. carbon

d. nitrogen

[He]2s22p2 is the electron configuration of which element?

a. beryllium

b. boron

c. carbon

d. nitrogen

Considering only the n = 1 to n = 5 states in the hydrogen atom, which transition will emit the most energy?

• n = 5 to n = 4• n = 5 to n = 2• n = 3 to n = 1• n = 3 to n = 2• n = 4 to n = 2

• n = 5 to n = 4• n = 5 to n = 2• n = 3 to n = 1• n = 3 to n = 2• n = 4 to n = 2

Considering only the n = 1 to n = 5 states in the hydrogen atom, which transition will emit the most energy?

Considering only the n = 1 to n = 5 states in the hydrogen atom, which transition will emit the longest wavelength?

• n = 5 to n = 4• n = 5 to n = 2• n = 3 to n = 1• n = 3 to n = 2• n = 4 to n = 2

• n = 5 to n = 4• n = 5 to n = 2• n = 3 to n = 1• n = 3 to n = 2• n = 4 to n = 2

Considering only the n = 1 to n = 5 states in the hydrogen atom, which transition will emit the longest wavelength?

What are the valence electrons of vanadium?

• 4s2

• 3d3

• 4s23d3

• 3d5

• 4d5

• 4s2

• 3d3

• 4s23d3

• 3d5

• 4d5

What are the valence electrons of vanadium?

What are the valence electrons of gallium?

• 4s2

• 4p1

• 4s23d104p1

• 4s23d10

• 4s24p1

• 4s2

• 4p1

• 4s23d104p1

• 4s23d10

• 4s24p1

What are the valence electrons of gallium?

What is the maximum number of orbitals described by the quantum numbers:

• 1• 3• 5• 8• 9

n = 3 l = 2

• 1• 3• 5• 8• 9

n = 3 l = 2

What is the maximum number of orbitals described by the

quantum numbers:

What is the maximum number of electrons described by the quantum numbers:

• 7• 14• 16• 32• 48

n = 4

What is the maximum number of electrons described by the

quantum numbers:

• 7• 14• 16• 32• 48

n = 4

How many unpaired electrons does selenium have?

• 0• 2• 4• 6• 8

• 0• 2• 4• 6• 8

How many unpaired electrons does selenium have?

How many unpaired electrons does chromium have?

• 0• 2• 4• 6• 8

• 0• 2• 4• 6• 8

How many unpaired electrons does chromium have?