3.8 Electron Energy and Light

Open Ended

What is light?

Multiple Choice

Which of these is an example of visible light?

• X-rays
• rainbow
• microwaves
• radio waves

Multiple Choice

The _______________ determines the color of visible light. 

• wavelength

• speed

• amplitude

• pitch

Visible Light

Red - Orange - Yellow - Green - Blue - Indigo - Violet

• Red has the longest wavelength and the lowest frequency

• Violet has the shortest wavelength and the highest frequency

Multiple Select

When an electron moves from n=2 (energy level 2) to n=4 (energy level 4)

MULTIPLE ANSWERS: You must click 2 CORRECT ANSWERS

• it must absorb light

• it will release light

• it will move farther from the nucleus

• it will move closer to the nucleus

Multiple Choice

Which are emission arrows?

• a, b, c, d

• e, f, g, h

• a, e, b

• d, c, h

Multiple Choice

The arrows in this diagrams depict...

• Emission of light energy

• Absorption of light energy

• Absorption and Emission of light energy

• Neither absorptions and emission of light energy

Multiple Choice

If an electron moves from n=4 to n=2 it ____

• absorbs energy

• releases energy