Deck 4: Light and Electronic Structure

Question 1

Nitrogen has _____ valence electrons.

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

Answer 1

five

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.

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

Answer 2

line spectrum

Question 3

Carbon has _____ valence electrons.

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

Answer 3

four

Question 4

A flame test for _____ will show a bright green.

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

Question 5

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

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

Question 6

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

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

Question 7

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

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

Question 8

According to the Bohr model, atoms release light when:

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

Question 9

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

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

Question 10

Which statement is CORRECT?

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.

Question 11

A flame test for _____ will show a bright orange.

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

Question 12

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

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

Question 13

The 4d sublevel contains how many orbitals?

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

Question 14

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

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

Question 15

Which statement is NOT correct?

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 16

The Sun gives off light because of:

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

Question 17

The 4f sublevel contains how many orbitals?

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

Question 18

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

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

Question 19

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

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

Question 20

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

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

Question 21

Which family tends to form +2 cations?

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

Question 22

Which pair has the same number of electrons?

A) Mg²⁺ and O^2-
B) O^2- and F^2-
C) K⁺ and Ne
D) Cl^- and F

Question 23

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

A) S²⁺.
B) S^2-.
C) P^3-.
D) Mg²⁺.

Question 24

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

A) S²⁺.
B) S^2-.
C) P^3-.
D) Mg²⁺.

Question 25

Which pair has the same number of electrons?

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

Question 26

Which family tends to form +1 cations?

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

Question 27

Which configuration describes the electron configuration of iron?

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

Question 28

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

A) 1s².
B) 2s²2p⁶.
C) 3s²3p⁴.
D) 3p⁴.

Question 29

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

A) 1s².
B) 2s²2p⁶.
C) 3p².
D) 3s²3p¹.

Question 30

Which configuration describes the electron configuration of vanadium?

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