Question 1

Which pair has the same number of electrons?

Accepted Answer

A)  Na+ and O 
B)  O and F- 
C)  Na+ and Ne 
D)  Cl- and F 
A)  Na+ and O 
B)  O and F- 
C)  Na+ and Ne 
D)  Cl- and F

Question 2

The orange color of a neon lamp results from an electric current being passed through a tube filled with neon gas. If this light passes through a prism, the light divides into distinct "lines" of colored light. This pattern is called the _____ of neon.

Accepted Answer

A)  line spectrum 
B)  atomic mass 
C)  electron configuration 
D)  elemental identity 
A)  line spectrum 
B)  atomic mass 
C)  electron configuration 
D)  elemental identity

Question 3

An atom lost two valence electrons, resulting in a configuration of 1s22s22p63s23p2. 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 4

Of the choices given, which portion of the electromagnetic spectrum has the HIGHEST frequency?

Accepted Answer

A)  radio 
B)  infrared 
C)  UV 
D)  gamma rays 
A)  radio 
B)  infrared 
C)  UV 
D)  gamma rays

Question 5

A photon has the energy 5.55 × 10-19 J. What is this photon's wavelength in nanometers?

Accepted Answer

A)  358 nm 
B)  590 nm 
C)  3.58 × 10-5 pm 
D)  222 nm 
A)  358 nm 
B)  590 nm 
C)  3.58 × 10-5 pm 
D)  222 nm

Question 6

Of the choices given, which portion of the electromagnetic spectrum has the GREATEST wavelength?

Accepted Answer

A)  radio 
B)  infrared 
C)  UV 
D)  gamma rays 
A)  radio 
B)  infrared 
C)  UV 
D)  gamma rays

Question 7

The Sun gives off light because of:

Accepted Answer

A)  nuclear fission. 
B)  nuclear fusion. 
C)  IR radiation. 
D)  UV radiation. 
A)  nuclear fission. 
B)  nuclear fusion. 
C)  IR radiation. 
D)  UV radiation.

Question 8

The 4d sublevel contains how many orbitals?

Accepted Answer

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

Question 9

The type of radiation that the human body gives off is _____ radiation.

Accepted Answer

A)  visible 
B)  IR 
C)  UV 
D)  radio-wave 
A)  visible 
B)  IR 
C)  UV 
D)  radio-wave

Question 10

What is the wavelength of a photon of light with a frequency of 5.00 × 1014 Hz?

Accepted Answer

A)  600 nm 
B)  1.66 × 106 nm 
C)  6.00 × 10-7 nm 
D)  550 nm 
A)  600 nm 
B)  1.66 × 106 nm 
C)  6.00 × 10-7 nm 
D)  550 nm

Which pair has the same number of electrons?

The orange color of a neon lamp results from an electric current being passed through a tube filled with neon gas. If this light passes through a prism, the light divides into distinct "lines" of colored light. This pattern is called the _____ of neon.

An atom lost two valence electrons, resulting in a configuration of 1s²2s²2p⁶3s²3p². The identity of this ion is:

Of the choices given, which portion of the electromagnetic spectrum has the HIGHEST frequency?

A photon has the energy 5.55 × 10^-¹⁹ J. What is this photon's wavelength in nanometers?

Of the choices given, which portion of the electromagnetic spectrum has the GREATEST wavelength?

The Sun gives off light because of:

The 4d sublevel contains how many orbitals?

The type of radiation that the human body gives off is _____ radiation.

What is the wavelength of a photon of light with a frequency of 5.00 × 10¹⁴ Hz?

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

Which pair has the same number of electrons?

The orange color of a neon lamp results from an electric current being passed through a tube filled with neon gas. If this light passes through a prism, the light divides into distinct "lines" of colored light. This pattern is called the _____ of neon.

An atom lost two valence electrons, resulting in a configuration of 1s22s22p63s23p2. The identity of this ion is:

Of the choices given, which portion of the electromagnetic spectrum has the HIGHEST frequency?

A photon has the energy 5.55 × 10-19 J. What is this photon's wavelength in nanometers?

Of the choices given, which portion of the electromagnetic spectrum has the GREATEST wavelength?

The Sun gives off light because of:

The 4d sublevel contains how many orbitals?

The type of radiation that the human body gives off is _____ radiation.

What is the wavelength of a photon of light with a frequency of 5.00 × 1014 Hz?

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

An atom lost two valence electrons, resulting in a configuration of 1s²2s²2p⁶3s²3p². The identity of this ion is:

A photon has the energy 5.55 × 10^-¹⁹ J. What is this photon's wavelength in nanometers?

What is the wavelength of a photon of light with a frequency of 5.00 × 10¹⁴ Hz?