380,517 views
25 votes
25 votes
Define the mass number of an atom

User Donovan Thomson
by
2.9k points

1 Answer

17 votes
17 votes

Answer:

The mass number of an atom, which is also called the atomic mass number, is the total number of protons and neutrons in an atom,

Step-by-step explanation:

Hope this is helpful.

User OOPS Studio
by
3.3k points