Question

chemical bonds and fundamental forces:
one of the forces that governs attraction between particles is the electrical force. electrical force occurs in charged particles, which may have either a positive or negative charge. generally, when two particles have opposite charges, they attract each other. however, when two particles have the same charges, they repel each other.
complete the sentence. move the correct option to the box.
a proton, which is a positively charged particle, is attracted to an electron, which is a

Explanation:

The text explains that opposite - charged particles attract each other. A proton is positively charged. For a proton to be attracted to an electron, the electron must have the opposite charge of the proton. Since the proton is positive, the electron must be negatively charged.

Answer:

negatively charged particle