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A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha...

Question:

A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha particle that has the same DeBroglie wavelength as thAn electrically neutral gallium atom has 31 electrons around its nucleus. Which of the following is the correct electronic co

A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha particle that has the same DeBroglie wavelength as the proton? The mass of the alpha particle is 6.65E-27 kg. 9517 m/s 9.53E6 m/s 1833 m/s 2.38E13 m/s 0.747 m/s
An electrically neutral gallium atom has 31 electrons around its nucleus. Which of the following is the correct electronic configuration for a gallium atom that is triply-ionized? 1s 2s22p6 352 3p6 452 3d104p1 1s22s22p6 352 3p6 4s2 1s22s22p10 3s 3p6 452 304 1s22s2 3s2 2p 3p4 1s22s22p6 352 3p6 452 3d8

Answers

Sala kinetic Energy of boton, K = 7.5 meu = 1.20x10-12 J mass of proton, mp= 1067x1027 kg mass of alpha particle ma= 6.65 x10

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