Question

Which statement describes the relative masses of two different particles?

1.A neutron has less mass than a positron.
2.A beta particle has less mass than a neutron.
3.An alpha particle has less mass than a positron.
4.An alpha particle has less mass than a beta particle.

Answer 1

A neutron has mass 1
A positron has mass 0
A beta particle has mass 0
An alpha particle has mass 4

Following that logic, '2. A beta particle has less mass than a neutron' is the correct answer