Chemistry Unit 4 Quiz

What is an electron volt?

Where do fireworks get their brilliant colors from?

How do we know what stars are made of?

What are the 3 equations for energy?

• E=hv

• C=(lambda)v

• E=hC/v

• C=Ev

• E=h/v

What is the value of Planck’s constant?

• 1.602 x 10^-19 J

• 6.626 x 10^-34 Js

• 3.00 x 10^8 /s

• 1 eV

Calculate the energy in Joules of a photon with a frequency of 5.80 x 10^14 /s.

Mathematical Equivalence

OFF

Calculate the energy in electronvolts of a photon with a frequency of 5.00 x 10^11/s.

Mathematical Equivalence

OFF

What is the energy of a photon of microwave radiation with a frequency of 3.20 x 10^11 /s?

Mathematical Equivalence

OFF

What is the wavelength, in nanometers, of electromagnetic radiation which has a frequency of 6.94 x 10^14 Hz?

Mathematical Equivalence

OFF

What is the relationship between wavelength and frequency?