Unit 3: Electron Configuration and EM Spectrum Practice Test

Front

What is the relationship between frequency and energy of light?

Back

The energy of light is directly proportional to its frequency. If the frequency of a light wave is doubled, its energy is also doubled.

Front

What is the correct electron configuration for Sulfur (S)?

Back

Front

How do you calculate the energy of a light wave using frequency?

Back

Energy (E) can be calculated using the formula E = h * f, where h is Planck's constant (6.626 x 10^-34 Js) and f is the frequency.

Front

What happens to the frequency of a light wave if its wavelength is decreased?

Back

If the wavelength of a light wave is decreased, its frequency increases, assuming the speed of light is constant.

Front

Describe the relationship between wavelength and energy in the electromagnetic spectrum.

Back

Shorter wavelengths have higher energy, while longer wavelengths have lower energy.

Front

What is Planck's constant?

Back

Planck's constant (h) is a fundamental constant used in quantum mechanics, valued at approximately 6.626 x 10^-34 Js.

Front

What is the formula to find the energy of a photon?

Back

The formula to find the energy of a photon is E = h * f, where E is energy, h is Planck's constant, and f is frequency.

Front

If the frequency of a light wave is 6 x 10^14 Hz, what is its energy?

Back

Using the formula E = h * f, the energy is approximately 3.976 x 10^-19 J.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 3.00 x 10^8 m/s.

Front

How does increasing the frequency of light affect its energy?

Back

Increasing the frequency of light increases its energy, as energy is directly proportional to frequency.