Which subatomic particle carries a positive charge?

1. An atom's charge comes from the balance of its charged particles. 2. A proton is positively charged whereas a neutron is uncharged. 3. Electrons carry the negative charge that balances the protons. 4. So the positive charge belongs to the proton. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 2 'The Chemical Foundation of Life', sections 2.1-2.3_