Chem 1A Final Review Practice

As wavelength increases, energy ...

• decreases

• increases

• stays the same

As frequency decreases, wavelength ...

• decreases

• increases

• stays the same

As wavelength increases, the speed of light ...

• decreases

• increases

• stays the same

• 415 nm

• 700 nm

• 105 nm

• 241 nm

Calculate the deBroglie wavelength of a 0.011g grain of sand being kicked by children playing at 4.5 m/s

• 1.30 m

• Xe

• Kr

• I

• Br

Which is the correct electron configuration for Cr²⁺?

Which change in energy level causes the emission of a photon with the greatest energy?

Which element/ion has the largest atomic radius?

• Cl^-

• Ar

• K⁺

• Ne

What is the formal charge on the central atom in the Lewis structure for O₃?

• 0

• -1

• +1

• +2