Question

Which subatomic particles are located in the nucleus of a ca-40 atom?

1) electrons and neutrons
2) electrons and protons
3) neutrons and protons
4) neutrons, protons, and electrons

Answer 1

3) neutrons and protons

Step-by-step explanation:

I just completed Grade 11 Chemistry with a 97% and I'm still under the impression that all atoms have only neutrons and protons in their nuclui.

I apologize if this is a question above my current education.