Protons and neutrons are found in the nucleus of an atom. Traveling around the nucleus are fast-moving particles called electrons. Each electron has a negative electrical charge. An
electron is much smaller and lighter than a proton or a neutron.
Which of the following statements are true? Select all that apply.
An electron has a negative electrical charge.
All of an atom's electrons are located outside its nucleus.
A proton is the same size as an electron.