77.6k views
4 votes
The mass of an atom is contained primarily in its _____. electron shell nucleus protons size

User Mike Asdf
by
6.1k points

2 Answers

4 votes

Answer:

Nucleus

Step-by-step explanation:

User Ganjeii
by
7.2k points
1 vote
Nucleus is the correct answer
User Sirojiddin Komolov
by
7.2k points