30 multiple choice 1 point what is the charge of a proton? neutral -1 +1 depends on the isotope

30 multiple choice 1 point what is the charge of a proton? neutral -1 +1 depends on the isotope
Answer
Brief Explanations:
Protons are positively - charged subatomic particles. Each proton has a charge of +1 elementary charge unit, and this charge is consistent across all isotopes.
Answer:
C. +1