Chemistry – Atoms, elements and compounds - Atomic structure and the Periodic Table | e-Consult

A student is describing the composition of an atom. Which of the following statements is correct regarding the relative charges and masses of protons, neutrons and electrons?

• A. Protons have a negative charge and a mass of 0. Neutrons have a positive charge and a mass of 1. Electrons have no charge and a mass of 1.
• B. Protons have a positive charge and a mass of 1. Neutrons have no charge and a mass of 0. Electrons have a negative charge and a mass of 0.
• C. Protons have a positive charge and a mass of 1. Neutrons have no charge and a mass of 1. Electrons have a negative charge and a mass of 0.
• D. Protons have a negative charge and a mass of 1. Neutrons have a positive charge and a mass of 0. Electrons have a positive charge and a mass of 0.