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:

$\overline{){\mathbf{\lambda}}{\mathbf{=}}\frac{\mathbf{h}}{\mathbf{mv}}}$

where:

**h** = Planck's constant (6.626 × 10^{–34} kg • m^{2}/s)

**m** = mass (in kg)

**v** = velocity (in m/s)

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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