Among the subatomic particles you listed, the particle with a negative charge is the electron.
Here's a brief overview of the particles you mentioned:
- Protons: Positively charged particles found in the nucleus of an atom.
- Neutrons: Neutral particles (no charge) also located in the nucleus.
- Quarks: Fundamental particles that combine to form protons and neutrons. Quarks can have different types of charges (e.g., +2/3 or -1/3), but they are not standalone particles in the same way as electrons.
- Electrons: Negatively charged particles that orbit the nucleus of an atom.
So, the answer to your question is electrons.