Question 1

The electronic configuration for aluminum is 1s22s22p63s23p1. The valence configuration for sulfur is:

Accepted Answer

A)  1s2. 
B)  2s22p6. 
C)  3p2. 
D)  3s23p1. 
A)  1s2. 
B)  2s22p6. 
C)  3p2. 
D)  3s23p1. D

Question 2

What is the frequency of a photon of light with a wavelength of 615 nm?

Accepted Answer

A)  1.85 × 1011 Hz 
B)  4.88 × 1014 Hz 
C)  2.05 × 10-6 Hz 
D)  3.58 × 10-5 Hz 
A)  1.85 × 1011 Hz 
B)  4.88 × 1014 Hz 
C)  2.05 × 10-6 Hz 
D)  3.58 × 10-5 Hz B

Question 3

Which statement is CORRECT?

Accepted Answer

A)  The s sublevel contains two orbitals and can hold a maximum of 2 electrons. 
B)  The p sublevel contains three orbitals and can hold a maximum of 6 electrons. 
C)  The d sublevel contains ten orbitals and can hold a maximum of 10 electrons. 
D)  The f sublevel contains seven orbitals and can hold a maximum of 7 electrons. 
A)  The s sublevel contains two orbitals and can hold a maximum of 2 electrons. 
B)  The p sublevel contains three orbitals and can hold a maximum of 6 electrons. 
C)  The d sublevel contains ten orbitals and can hold a maximum of 10 electrons. 
D)  The f sublevel contains seven orbitals and can hold a maximum of 7 electrons. B

Question 4

Which configuration describes the electron configuration of vanadium?

Accepted Answer

A)  [Ar] 4s23d3 
B)  [Kr] 
C)  [Ar] 4s24p3 
D)  1s22s22p63d3 
A)  [Ar] 4s23d3 
B)  [Kr] 
C)  [Ar] 4s24p3 
D)  1s22s22p63d3

Question 5

The electronic configuration for sulfur is 1s22s22p63s23p4. The valence configuration for sulfur is:

Accepted Answer

A)  1s2. 
B)  2s22p6. 
C)  3s23p4. 
D)  3p4. 
A)  1s2. 
B)  2s22p6. 
C)  3s23p4. 
D)  3p4.

Question 6

The 4f sublevel contains how many orbitals?

Accepted Answer

A)  one 
B)  three 
C)  five 
D)  seven 
A)  one 
B)  three 
C)  five 
D)  seven

Question 7

According to the Bohr model, atoms release light when:

Accepted Answer

A)  the nucleus changes. 
B)  particles reflect off the nucleus. 
C)  electrons pair in orbitals. 
D)  electrons move from higher to lower energies. 
A)  the nucleus changes. 
B)  particles reflect off the nucleus. 
C)  electrons pair in orbitals. 
D)  electrons move from higher to lower energies.

Question 8

Which configuration describes the electron configuration of iron?

Accepted Answer

A)  [Ar] 4s23d6 
B)  [Ar] 4s24p6 
C)  [Kr] 
D)  1s22s22p63d6 
A)  [Ar] 4s23d6 
B)  [Ar] 4s24p6 
C)  [Kr] 
D)  1s22s22p63d6

Question 9

A flame test for _____ will show a bright orange.

Accepted Answer

A)  copper 
B)  calcium 
C)  krypton 
D)  xenon 
A)  copper 
B)  calcium 
C)  krypton 
D)  xenon

Question 10

Nitrogen has _____ valence electrons.

Accepted Answer

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

Question 11

Which family tends to form +2 cations?

Accepted Answer

A)  alkali metals 
B)  alkaline earth metals 
C)  halogens 
D)  noble gases 
A)  alkali metals 
B)  alkaline earth metals 
C)  halogens 
D)  noble gases

Question 12

An atom lost two valence electrons, resulting in a configuration of 1s22s22p6. The identity of this ion is:

Accepted Answer

A)  S2+. 
B)  S2-. 
C)  P3-. 
D)  Mg2+. 
A)  S2+. 
B)  S2-. 
C)  P3-. 
D)  Mg2+.

Question 13

Carbon has _____ valence electrons.

Accepted Answer

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

Question 14

A photon has the energy 3.22 × 10-20 J. What is this photon's frequency?

Accepted Answer

A)  4.86 × 1013 Hz 
B)  1.07 × 10-28 Hz 
C)  2.1 × 10-14 Hz 
D)  4.85 × 1012 Hz 
A)  4.86 × 1013 Hz 
B)  1.07 × 10-28 Hz 
C)  2.1 × 10-14 Hz 
D)  4.85 × 1012 Hz

Question 15

A flame test for _____ will show a bright green.

Accepted Answer

A)  copper 
B)  calcium 
C)  krypton 
D)  xenon 
A)  copper 
B)  calcium 
C)  krypton 
D)  xenon

Question 16

Within an energy level, the _____ orbital is the HIGHEST in energy.

Accepted Answer

A)  s 
B)  p 
C)  d 
D)  f 
A)  s 
B)  p 
C)  d 
D)  f

Question 17

Which statement is NOT correct?

Accepted Answer

A)  The s sublevel contains one orbital and can hold a maximum of 2 electrons. 
B)  The p sublevel contains six orbitals and can hold a maximum of 6 electrons. 
C)  The d sublevel contains five orbitals and can hold a maximum of 10 electrons. 
D)  The f sublevel contains seven orbitals and can hold a maximum of 14 electrons. 
A)  The s sublevel contains one orbital and can hold a maximum of 2 electrons. 
B)  The p sublevel contains six orbitals and can hold a maximum of 6 electrons. 
C)  The d sublevel contains five orbitals and can hold a maximum of 10 electrons. 
D)  The f sublevel contains seven orbitals and can hold a maximum of 14 electrons.

Question 18

Within an energy level, the _____ orbital is the LOWEST in energy.

Accepted Answer

A)  s 
B)  p 
C)  d 
D)  f 
A)  s 
B)  p 
C)  d 
D)  f

Question 19

Which family tends to form +1 cations?

Accepted Answer

A)  alkali metals 
B)  alkaline earth metals 
C)  halogens 
D)  noble gases 
A)  alkali metals 
B)  alkaline earth metals 
C)  halogens 
D)  noble gases

Question 20

Which pair has the same number of electrons?

Accepted Answer

A)  Mg2+ and O2- 
B)  O2- and F2- 
C)  K+ and Ne 
D)  Cl- and F 
A)  Mg2+ and O2- 
B)  O2- and F2- 
C)  K+ and Ne 
D)  Cl- and F

The electronic configuration for aluminum is 1s²2s²2p⁶3s²3p¹. The valence configuration for sulfur is:

What is the frequency of a photon of light with a wavelength of 615 nm?

Which statement is CORRECT?

Which configuration describes the electron configuration of vanadium?

The electronic configuration for sulfur is 1s²2s²2p⁶3s²3p⁴. The valence configuration for sulfur is:

The 4f sublevel contains how many orbitals?

According to the Bohr model, atoms release light when:

Which configuration describes the electron configuration of iron?

A flame test for _____ will show a bright orange.

Nitrogen has _____ valence electrons.

Which family tends to form +2 cations?

An atom lost two valence electrons, resulting in a configuration of 1s²2s²2p⁶. The identity of this ion is:

Carbon has _____ valence electrons.

A photon has the energy 3.22 × 10^-²⁰ J. What is this photon's frequency?

A flame test for _____ will show a bright green.

Within an energy level, the _____ orbital is the HIGHEST in energy.

Which statement is NOT correct?

Within an energy level, the _____ orbital is the LOWEST in energy.

Which family tends to form +1 cations?

Which pair has the same number of electrons?

Foundations

Measurement

Atoms

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

Exam 4: Light and Electronic Structure

The electronic configuration for aluminum is 1s22s22p63s23p1. The valence configuration for sulfur is:

What is the frequency of a photon of light with a wavelength of 615 nm?

Which statement is CORRECT?

Which configuration describes the electron configuration of vanadium?

The electronic configuration for sulfur is 1s22s22p63s23p4. The valence configuration for sulfur is:

The 4f sublevel contains how many orbitals?

According to the Bohr model, atoms release light when:

Which configuration describes the electron configuration of iron?

A flame test for _____ will show a bright orange.

Nitrogen has _____ valence electrons.

Which family tends to form +2 cations?

An atom lost two valence electrons, resulting in a configuration of 1s22s22p6. The identity of this ion is:

Carbon has _____ valence electrons.

A photon has the energy 3.22 × 10-20 J. What is this photon's frequency?

A flame test for _____ will show a bright green.

Within an energy level, the _____ orbital is the HIGHEST in energy.

Which statement is NOT correct?

Within an energy level, the _____ orbital is the LOWEST in energy.

Which family tends to form +1 cations?

Which pair has the same number of electrons?

Foundations

Measurement

Atoms

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

The electronic configuration for aluminum is 1s²2s²2p⁶3s²3p¹. The valence configuration for sulfur is:

The electronic configuration for sulfur is 1s²2s²2p⁶3s²3p⁴. The valence configuration for sulfur is:

An atom lost two valence electrons, resulting in a configuration of 1s²2s²2p⁶. The identity of this ion is:

A photon has the energy 3.22 × 10^-²⁰ J. What is this photon's frequency?