Madrid PAU Chemistry Practice Questions - Madrid PAU Chemistry Examination 2026 (Química 2o Bachillerato) Exam

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Calculate the de Broglie wavelength of an electron (me = 9.11 × 10⁻³¹ kg) moving at a velocity of 2.00 × 10⁶ m/s. (Planck constant h = 6.626 × 10⁻³⁴ J·s)

0.364 nm 3.64 nm 0.182 nm 1.21 nm

Correct Answer:

0.364 nm

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