Question

multiple - choice question
how is the atomic mass determined?
its the same as the number of protons
add the number of protons and neutrons
subtract the protons and neutrons
rewatch
submit

Explanation:

The atomic mass of an atom is approximately equal to the sum of the number of protons and neutrons in its nucleus. Protons and neutrons each have a mass of about 1 atomic mass unit.

Answer:

B. add the number of protons and neutrons