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Biblioteka

Copy of 11.30.20 - Electron Energy and Light (12/10/2023)

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Posljednje ažuriranje about 1 year ago
14

Use Model 1 to answer questions 2-9.

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Use Model 2 to answer questions 10 - 14.

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Use Model 3 to answer questions 16-19.

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CHALLENGE QUESTIONS!

Electron Energy and Light

Pitanje 1
1.

Do all colors of light travel at the same speed?

Pitanje 2
2.

Do all colors of light have the same energy?

Pitanje 3
3.

Even though all colors of light travel at the same speed, they all have different amounts of energy. Which color has the lowest energy of light?

Pitanje 4
4.

Even though all colors of light travel at the same speed, they all have different amounts of energy. Which color has the highest energy of light?

Pitanje 5
5.

Light travels in a wave. Which color corresponds to the longest wavelengths?

Pitanje 6
6.

Which color corresponds to the shortest wavelengths?

Pitanje 7
7.

Fill in the blank. The higher the energy the _________ the wavelength.

Pitanje 8
8.

Which of the colors seen in the emission spectrum for both boron and hydrogen is highest in energy? Why? (hint: you may need to refer back to the beginning of this activity)

Pitanje 9
9.

Does a gas discharge tube filled with boron emit the same wavelengths of light as a tube filled with hydrogen? Why / why not?

Pitanje 10
10.

The arrow in the diagram below displays the movement of an electron in an atom. Select the best descriptions of what is happening to the electron.

Pitanje 11
11.

Which image in model 3 has the electron transition n = 5 to n = 2?

Pitanje 12
12.

This electron (from question 16) moves from a ________ energy state to a ________ energy state.

Pitanje 13
13.

Match each image with the correct electron transition.

  • n = 6 to n = 2

  • n = 5 to n = 2

  • n = 4 to n = 2

  • n = 3 to n = 2

  • n = 2 to n = 6

  • n = 2 to n = 4

  • n = 2 to n = 3

Pitanje 14
14.

Use the information from hydrogen emission spectrum in Model 2 to match each image with the correct color of light that is being emitted.

  • violet

  • blue-violet

  • blue-green

  • red