Question

A beam containing a mixture of helium isotopes enters a mass spectrometer. The beam then divides into two beams that each travel to a different point on the detector. Which property do the particles in the two beams have in common?

A. each particle has the same mass
B. Each particle is a helium atom, not an ion
C. Each particle contains the same number of neutrons
D. Each particle has the same initial velocity

Answer 1

The last one

Step-by-step explanation:

Answer 2

Answer: did you get the answer(s) by chance?

Step-by-step explanation: