30.0k views
3 votes
The ___is always equal to the number of protons + the number of neutrons that the atom has

User AaronR
by
8.3k points

1 Answer

4 votes

Answer:

mass number

Step-by-step explanation:

Mass number is equal to the sum of number of protons and neutrons in a nucleus.

User AFF
by
7.1k points