179k views
0 votes
10. How is the mass number calculated for an element?

A. The difference between the mass and the protons
B. The sum of protons and neutrons
C. The product of neutrons and protons
D. There is no calculation.

User Ben Keks
by
5.6k points

1 Answer

3 votes
It’s B, the sum of protons and neutrons
User Rwacarter
by
6.2k points