171k views
3 votes
The mass of an atom is contained primarily in its _____. electron shell nucleus protons size

2 Answers

5 votes

Answer:

nucleus.

Step-by-step explanation:

User Carsten Hoffmann
by
8.0k points
4 votes

The mass of an atom is contained primarily in its nucleus.


User Renan Lopes
by
8.7k points