Problem: What is the velocity of an electron that has a de Broglie wavelength approximately the length of a chemical bond? Assume the length of a chemical bond is 1.8×10−10 m . (The mass of an electron is 9.11 x 10-31 kg.)

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We’re being asked to calculate the velocity of an electron that has a de Broglie wavelength approximately the length of a chemical bond? Assume the length of a chemical bond is 1.8×10−10 m.


Recall that the de Broglie wavelength (λ) can be calculated using:


λ=hmv


where: 

h = Planck's constant (6.626 × 10–34 kg • m2/s)

m = mass (in kg)

v = velocity (in m/s)


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Problem Details

What is the velocity of an electron that has a de Broglie wavelength approximately the length of a chemical bond? Assume the length of a chemical bond is 1.8×10−10 m . (The mass of an electron is 9.11 x 10-31 kg.)

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the De Broglie Wavelength concept. You can view video lessons to learn De Broglie Wavelength. Or if you need more De Broglie Wavelength practice, you can also practice De Broglie Wavelength practice problems.

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