239,335 views
10 votes
10 votes
51 neutrons 38 protons 36 electrons

User The Trav
by
2.8k points

1 Answer

20 votes
20 votes

Answer:

copper has two naturally occurring isotopes. Cu-63 has an atomic mass of 62.9296 amu and an abundance of 69.17%. if thats what ur looking for?

Step-by-step explanation:

User Mdpatrick
by
3.0k points