Light, Energy, Bohr Model, & Ions Quiz

A photon of light has an energy of 9.64 x 10^{-18} J. Calculate the frequency of this photon. (Planck's constant, h = 6.626 x 10^{-34} J s)

• 1.45 x 10^16 Hz

• 1.03 x 10^{-11} Hz

• 1.57 x 10^{-17} Hz

Draw the Lewis Dot structure for gallium. What charge will the gallium ion have?

• Ga with three dots around it; +3

• Ga with two dots around it; +2

• Ga with four dots around it; +4

• Ga with one dot around it; +1

Draw the Bohr Model for chlorine. What charge will the chlorine ion have?

• Chlorine nucleus with 17 protons and 18 neutrons, two electrons in the first shell, seven in the second shell; -1

• Chlorine nucleus with 17 protons and 18 neutrons, two electrons in the first shell, eight in the second shell, seven in the third shell; +1

• Chlorine nucleus with 17 protons and 18 neutrons, two electrons in the first shell, eight in the second shell, seven in the third shell; -1

• Chlorine nucleus with 17 protons and 17 neutrons, two electrons in the first shell, eight in the second shell, seven in the third shell; -1

• 2.62 x 10^2 nm

• 2.62 x 10^7 nm

• 2.62 x 10^{-16} nm

• 3.96 x 10^{-16} nm

Which of these transitions are an example of an electron absorbing energy? (choose all that apply)

• n=1 to n=3

• n=2 to n=1

• n=4 to n=1

• n=2 to n=3

• n=1 to n=4

Which of these transitions will emit light with the most energy?

• n=1 to n=3

• n=2 to n=1

• n=4 to n=1

• n=2 to n=3

• n=1 to n=4

When the pink-colored light of glowing hydrogen gas passes through a prism, it is possible to see __.

• All the colors of the rainbow

• Only pink-colored lines

• Only four distinct lines of different colors

• Only black light

Put the visible light colors in order from longest wavelength to shortest wavelength.

• Violet, Indigo, Blue, Green, Orange, Yellow, Red

• Red, Yellow, Green, Orange, Violet, Blue, Indigo

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

How are wavelength and frequency related to each other?

• As wavelength increases, frequency increases

• As frequency increases, wavelength decreases

• As frequency increases, wavelength remains the same

• Frequency and wavelength mean the same thing

• Blue

• Green

• Yellow

• red