Chemisty OR Unit 1

Which of the following has the longest wavelength

• Gamma Rays

• Radio Waves

• Mircowaves

• UV rays

What do you turn wavelengths into?

• kg

• cm

• meters

• picometers

If a photon’s wavelength is 663 nm, what is its energy?

• 1. 4.40 x 10-37 J

• 2. 3.00 x 10-22 J

• 3. 4.40 x 10-40 J

• 4. 3.00 x 10-19 J

What is the correct order of increasing energy?

• 1. Microwaves, visible light, UV light, x-rays, gamma rays

• 2. Microwaves, x-rays, gamma rays, visible light, UV light

• 3. Microwaves, UV light, visible light, x-rays, gamma rays

• 4. X-rays, gamma rays, microwaves, visible light, UV light

• 5. UV light, visible light microwaves, x-rays, gamma rays

= 300 to 800 nm

300 to 10 nm

800 nm to 1 μm

.01 to 10 nm

Spin nucleus

• UV

• radio

• IF

• Gamma

Excited spin of

electrons.

• Microwave

• visible

• UV

• gamma