The diagram shows a model of an atom. The model contains three
different subatomic particles. Particles X and Y are inside the
nucleus, and particle Z is outside of the nucleus.
Model of an Atom
Which statements best describe the charges on the particles in this
model?
A Both particles X and Y have a positive charge.
Particle Z has a negative charge.
B. Both particles X and Y have a negative charge.
Particle Z has a positive charge.
C Either particle X or particle Y has a positive charge.
Particle Z has a negative charge.
D Either particle X or particle Y has a negative charge.
Particle Z has a positive charge.