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.

the entire statement is true and correct.  

there's no diagram, nothing is illustrated, and no question is asked.

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

force tends to be low and long diustance masses are high