Question

What is the de Broglie wavelength (in nm) that you would from one molybdenum atom moving at a speed of 5 m/s? (Hint: Be careful with units. What is the mass of one molybdenum atom?)

Group of answer choices

1.38 nm

1.38×10^-27 nm

832 nm

8.32×10^-4 nm

0.832 nm

138 nm

Answer 1

& mass of Now mo atom = 95.94 amu I am = 1.6 * 10 27 kg 95.94 amu = 95.94 x 1:6 x1627 kg - 11.6 x16 25 kg - h Now my 6.6 x 12 Js 1.6 x 18 kg x smp 109 2= 66 kg b 8.0 1 = 0.025 x169 m. 19 = 0.83 mm wsing more accurate values of (without lounding off in earlier steps) will give 0.032mm