Question

What is the average mass of a proton or a neutron?

A) 1 amu
B) 2 amu
C) 3 amu
D) 4 amu

Answer 1

The definition of an atomic mass unit (amu) is the mass of a single proton or neutron, so by definition, these particles have a mass of 1 amu.

Answer 2

1 amu. correct. 100000000000000000000000000000000000000%