The Structure of the Atom Answers

What is the charge on an electron?

The diagram below shows some subatomic particles.What is the particle that is labeled with a question mark (?) in the diagram?

A lithium atom has three protons, three neutrons, and three electrons. What is the overall charge on this atom?

Which two particles are found in the nucleus of an atom?

A scientist uses an accelerator and high energy electrons to study the particles inside the protons of a helium atom. What particles is the scientist studying?