65.5k views
2 votes
The atomic number of an element is equal to the number of _____ contained in one atom of that element.

protons
neutrons
electrons
protons and neutrons

2 Answers

3 votes

protons..............................

User Guilherme Lima
by
8.4k points
3 votes
Proton number


Nucleon number is the ...protons + neutrons in the nucleus
User Tocallaghan
by
8.2k points