Answer to Question #318398 in General Chemistry for rbyondo14

General Chemistry

Question #318398

an electron (m_e = 9.10939 × 10^–28g) moving at 4.20 × 10⁶ m/s in an electron microscope

Expert's answer

λ = h / p = h / m x v = 6.62x10^-34 / 9.10939x10^-28 x 3.9x10⁶ = 1.8633914x10^-13 m = 0.00018633914 nm

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